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When to go · Portugal

Portugal in September

Great month. Warm sea, thinner crowds; grape harvest in the Douro.

Key facts

Verdict
Great
Crowds
Medium
Portugal
Prices
Medium
Portugal

Verdict

GreatVoykit month rating for Portugal

Warm sea, thinner crowds; grape harvest in the Douro.

Is another month better than September?

No other month rates higher than September for Portugal in this guide.

Weather in September

  • Lisbon and the centre · Lisbon, Sintra, Cascais, Óbidos, Coimbrabest weather

    Mild winters with rainy spells; hot, dry summers cooled by Atlantic wind. Sintra is often foggy and 5 °C (9 °F) cooler.

  • Porto and the north · Porto, Braga, Guimarães, Douro Valley, Peneda-Gerêsbest weather

    The wettest region; green and mild. The Douro Valley bakes in summer and harvest is late September.

  • Alentejo · Évora, Monsaraz, Alentejo coastbest weather

    The interior plain reaches 40 °C (104 °F)+ in summer; spring wildflowers are the high point.

  • Algarve · Faro, Lagos, Tavira, Sagresbest weather

    Most sunshine in the country; the sea stays cool (18–22 °C (64–72 °F)). August is packed and pricey.

  • Madeira · Funchal and the islandbest weather

    Spring-like all year on the south coast; the north and mountains are wetter. Levadas can close after storms.

  • Azores · São Miguel, Pico, Faial, Terceirabest weather

    Mild and changeable — four seasons in a day. Whale watching best April–October; winter storms cancel inter-island flights.

  • Alentejo: Inland Alentejo (Évora, Beja, Elvas) · plains and hill townsbest weather

    Warmest part of Portugal: 35 °C (95 °F)+ afternoons in July–August, cold nights in winter. Spring brings wildflowers and green plains.

  • Alentejo: Alentejo coast (Milfontes, Sines) · Atlantic stripbest weather

    Cooler and windier than inland; sea is cold year-round. August is the local holiday peak.

  • Algarve: Faro and the coast · south coast, Faro to Lagosbest weather

    Over 3,000 hours of sun a year; rain falls mainly November–February. July–August highs near 29 °C (84 °F) with an Atlantic breeze.

  • Algarve: Serra de Monchique · inland hillsbest weather

    Cooler and wetter than the coast; the hills block cold northern winds from the coast.

  • Continental climate; hot dry summers (30 °C (86 °F)+), cool winters with occasional frost. Rainfall peaks in winter.

  • Baixo Alentejo: Baixo Alentejo · southern Alentejo plainwarm

    Mild winters, hot dry summers; rain peaks Nov–Feb.

  • Beiras: Beira Litoral (Aveiro, coast) · Atlantic stripbest weather

    Mild and damp; sea fog and rain any month. Beach water stays cold.

  • Beiras: Beira Alta / Beira Baixa (interior) · Coimbra inland to the Spanish borderbest weather

    Hot, dry summers; cold winters with snow on Serra da Estrela from about November to March.

  • Greater Lisbon: Greater Lisbon · Lisbon coast and inland hillshot

    Mild spring and autumn; July‑August can exceed 30 °C (86 °F).

  • Northern Portugal: Porto and the coast · Porto, Espinho, Viana do Castelobest weather

    Rain is heaviest November–March; summer days are mild, rarely above 30 °C (86 °F), and the ocean stays cold.

  • Northern Portugal: Douro Valley and the interior · Douro, Vila Real, Bragançabest weather

    Hotter and drier than the coast; July–August afternoons reach 35 °C (95 °F)+ and some quintas close to visitors at harvest.

  • Oeste: Coastal Oeste · Atlantic coaststorm or typhoon risk

    Mild winters, warm summers; surf season peaks Oct‑Mar.

  • Setúbal Peninsula: Setúbal Peninsula · South bank of the Tagus estuary and Atlantic coastfine

    Summer (Jul‑Aug) can reach 35 °C (95 °F); sea breeze keeps the coast cooler. Rainy season Nov‑Feb.

  • Tagus Valley: Lisbon and the estuary · Lisbon, Sintra, Cascais, Setúbalbest weather

    Atlantic breeze keeps Lisbon milder than inland; Sintra sits in cloud more often than the city.

  • Tagus Valley: Ribatejo (inland) · Santarém, Tomar, Constânciabest weather

    Hotter and drier than the coast in July–August; spring and early autumn are the comfortable windows.

  • Lisbon27 °C (81 °F) / 18 °C (64 °F), 3 rain days
  • Abrantes27 °C (81 °F) / 16 °C (61 °F), 7 rain days
  • Aguçadoura22 °C (72 °F) / 15 °C (59 °F), 8 rain days
  • Alandroal29 °C (84 °F) / 17 °C (63 °F), 7 rain days
  • Albufeira27 °C (81 °F) / 18 °C (64 °F), 3 rain days
  • Alcácer do Sal28 °C (82 °F) / 16 °C (61 °F), 3 rain days
  • Alcobaça27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Alcochete27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Alcoutim29 °C (84 °F) / 18 °C (64 °F), 4 rain days
  • Alenquer27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Alijó27 °C (81 °F) / 15 °C (59 °F), 6 rain days
  • Aljezur27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Almada27 °C (81 °F) / 18 °C (64 °F), 5 rain days
  • Almeida27 °C (81 °F) / 16 °C (61 °F), 7 rain days
  • Alvito29 °C (84 °F) / 18 °C (64 °F), 3 rain days
  • Alvor27 °C (81 °F) / 18 °C (64 °F), 3 rain days
  • Amadora28 °C (82 °F) / 19 °C (66 °F), 7 rain days
  • Amarante26 °C (79 °F) / 14 °C (57 °F), 7 rain days
  • Anadia26 °C (79 °F) / 16 °C (61 °F), 6 rain days
  • Apúlia25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Arcos de Valdevez24 °C (75 °F) / 13 °C (55 °F), 8 rain days
  • Armamar26 °C (79 °F) / 13 °C (55 °F), 7 rain days
  • Arouca25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Arraiolos29 °C (84 °F) / 16 °C (61 °F), 5 rain days
  • Arruda dos Vinhos28 °C (82 °F) / 19 °C (66 °F), 6 rain days
  • Aveiro26 °C (79 °F) / 15 °C (59 °F), 7 rain days
  • Avis29 °C (84 °F) / 15 °C (59 °F), 7 rain days
  • Baião26 °C (79 °F) / 15 °C (59 °F), 7 rain days
  • Barcelos24 °C (75 °F) / 13 °C (55 °F), 7 rain days
  • Barreiro27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Batalha27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Beja30 °C (86 °F) / 16 °C (61 °F), 3 rain days
  • Belmonte28 °C (82 °F) / 15 °C (59 °F), 7 rain days
  • Bombarral27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Braga26 °C (79 °F) / 14 °C (57 °F), 7 rain days
  • Bragança26 °C (79 °F) / 13 °C (55 °F), 5 rain days
  • Cadaval27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Caldas da Rainha23 °C (73 °F) / 15 °C (59 °F), 6 rain days
  • Caminha24 °C (75 °F) / 14 °C (57 °F), 7 rain days
  • Campo Maior29 °C (84 °F) / 18 °C (64 °F), 6 rain days
  • Carrazeda de Ansiães26 °C (79 °F) / 15 °C (59 °F), 8 rain days
  • Cartaxo28 °C (82 °F) / 17 °C (63 °F), 7 rain days
  • Carvoeiro27 °C (81 °F) / 17 °C (63 °F), 3 rain days
  • Cascais26 °C (79 °F) / 16 °C (61 °F), 5 rain days
  • Castelo Branco29 °C (84 °F) / 16 °C (61 °F), 6 rain days
  • Castelo de Vide29 °C (84 °F) / 17 °C (63 °F), 7 rain days
  • Castro Marim27 °C (81 °F) / 19 °C (66 °F), 5 rain days
  • Chaves27 °C (81 °F) / 14 °C (57 °F), 7 rain days
  • Coimbra28 °C (82 °F) / 16 °C (61 °F), 6 rain days
  • Condeixa-a-Nova28 °C (82 °F) / 15 °C (59 °F), 7 rain days
  • Coruche28 °C (82 °F) / 18 °C (64 °F), 5 rain days
  • Covilhã27 °C (81 °F) / 13 °C (55 °F), 9 rain days
  • Elvas30 °C (86 °F) / 16 °C (61 °F), 3 rain days
  • Entroncamento27 °C (81 °F) / 16 °C (61 °F), 7 rain days
  • Ericeira28 °C (82 °F) / 19 °C (66 °F), 5 rain days
  • Espinho24 °C (75 °F) / 14 °C (57 °F), 7 rain days
  • Esposende24 °C (75 °F) / 15 °C (59 °F), 7 rain days
  • Estremoz29 °C (84 °F) / 18 °C (64 °F), 5 rain days
  • Évora29 °C (84 °F) / 16 °C (61 °F), 4 rain days
  • Fão23 °C (73 °F) / 15 °C (59 °F), 6 rain days
  • Faro28 °C (82 °F) / 18 °C (64 °F), 3 rain days
  • Fátima28 °C (82 °F) / 16 °C (61 °F), 6 rain days
  • Figueira da Foz26 °C (79 °F) / 15 °C (59 °F), 6 rain days
  • Freixo de Espada à Cinta27 °C (81 °F) / 13 °C (55 °F), 6 rain days
  • Fundão27 °C (81 °F) / 14 °C (57 °F), 5 rain days
  • Gouveia23 °C (73 °F) / 9 °C (48 °F), 7 rain days
  • Grândola28 °C (82 °F) / 17 °C (63 °F), 3 rain days
  • Guarda25 °C (77 °F) / 13 °C (55 °F), 6 rain days
  • Guimarães26 °C (79 °F) / 14 °C (57 °F), 7 rain days
  • Idanha-a-Nova27 °C (81 °F) / 15 °C (59 °F), 5 rain days
  • Ílhavo25 °C (77 °F) / 18 °C (64 °F), 6 rain days
  • Labruge23 °C (73 °F) / 14 °C (57 °F), 7 rain days
  • Lagoa27 °C (81 °F) / 18 °C (64 °F), 5 rain days
  • Lamego26 °C (79 °F) / 15 °C (59 °F), 10 rain days
  • Leiria27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Loulé28 °C (82 °F) / 18 °C (64 °F), 3 rain days
  • Loures28 °C (82 °F) / 18 °C (64 °F), 7 rain days
  • Lourinhã27 °C (81 °F) / 15 °C (59 °F), 8 rain days
  • Lousã27 °C (81 °F) / 16 °C (61 °F), 6 rain days
  • Mafra25 °C (77 °F) / 15 °C (59 °F), 6 rain days
  • Mangualde27 °C (81 °F) / 15 °C (59 °F), 6 rain days
  • Marinha Grande28 °C (82 °F) / 18 °C (64 °F), 6 rain days
  • Marinhas24 °C (75 °F) / 15 °C (59 °F), 8 rain days
  • Marvão29 °C (84 °F) / 18 °C (64 °F), 4 rain days
  • Matosinhos24 °C (75 °F) / 15 °C (59 °F), 7 rain days
  • Mealhada27 °C (81 °F) / 16 °C (61 °F), 8 rain days
  • Miranda do Douro26 °C (79 °F) / 15 °C (59 °F), 9 rain days
  • Mirandela27 °C (81 °F) / 15 °C (59 °F), 7 rain days
  • Moimenta da Beira26 °C (79 °F) / 13 °C (55 °F), 7 rain days
  • Monchique27 °C (81 °F) / 16 °C (61 °F), 3 rain days
  • Monforte29 °C (84 °F) / 17 °C (63 °F), 7 rain days
  • Montijo28 °C (82 °F) / 18 °C (64 °F), 6 rain days
  • Murtosa24 °C (75 °F) / 14 °C (57 °F), 7 rain days
  • Nazaré26 °C (79 °F) / 15 °C (59 °F), 6 rain days
  • Nisa29 °C (84 °F) / 18 °C (64 °F), 5 rain days
  • Óbidos27 °C (81 °F) / 16 °C (61 °F), 5 rain days
  • Odemira26 °C (79 °F) / 16 °C (61 °F), 3 rain days
  • Odivelas27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Oeiras27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Olhão27 °C (81 °F) / 18 °C (64 °F), 3 rain days
  • Oliveira do Bairro25 °C (77 °F) / 16 °C (61 °F), 9 rain days
  • Oliveira do Hospital27 °C (81 °F) / 14 °C (57 °F), 7 rain days
  • Ourém30 °C (86 °F) / 18 °C (64 °F), 7 rain days
  • Ovar26 °C (79 °F) / 16 °C (61 °F), 5 rain days
  • Palmela28 °C (82 °F) / 17 °C (63 °F), 3 rain days
  • Penafiel26 °C (79 °F) / 14 °C (57 °F), 7 rain days
  • Peniche26 °C (79 °F) / 18 °C (64 °F), 6 rain days
  • Peso da Régua27 °C (81 °F) / 13 °C (55 °F), 8 rain days
  • Pinhel26 °C (79 °F) / 15 °C (59 °F), 7 rain days
  • Pombal28 °C (82 °F) / 16 °C (61 °F), 6 rain days
  • Ponte de Lima26 °C (79 °F) / 15 °C (59 °F), 7 rain days
  • Portalegre29 °C (84 °F) / 18 °C (64 °F), 5 rain days
  • Portimão27 °C (81 °F) / 18 °C (64 °F), 3 rain days
  • Porto de Mós27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Porto24 °C (75 °F) / 15 °C (59 °F), 7 rain days
  • Póvoa de Varzim25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Proença-a-Nova29 °C (84 °F) / 17 °C (63 °F), 6 rain days
  • Quarteira28 °C (82 °F) / 18 °C (64 °F), 3 rain days
  • Queluz27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • Redondo29 °C (84 °F) / 18 °C (64 °F), 4 rain days
  • Reguengos de Monsaraz29 °C (84 °F) / 16 °C (61 °F), 4 rain days
  • Rio Maior27 °C (81 °F) / 16 °C (61 °F), 7 rain days
  • Sabrosa25 °C (77 °F) / 13 °C (55 °F), 7 rain days
  • Sabugal26 °C (79 °F) / 13 °C (55 °F), 9 rain days
  • Sagres26 °C (79 °F) / 16 °C (61 °F), 5 rain days
  • Santa Comba Dão26 °C (79 °F) / 15 °C (59 °F), 6 rain days
  • Santa Maria da Feira26 °C (79 °F) / 16 °C (61 °F), 9 rain days
  • Santarém28 °C (82 °F) / 15 °C (59 °F), 6 rain days
  • Santiago do Cacém29 °C (84 °F) / 15 °C (59 °F), 4 rain days
  • São Brás de Alportel27 °C (81 °F) / 18 °C (64 °F), 6 rain days
  • São João da Pesqueira27 °C (81 °F) / 15 °C (59 °F), 6 rain days
  • Seixal28 °C (82 °F) / 17 °C (63 °F), 5 rain days
  • Sernancelhe25 °C (77 °F) / 12 °C (54 °F), 8 rain days
  • Sesimbra27 °C (81 °F) / 20 °C (68 °F), 4 rain days
  • Setúbal28 °C (82 °F) / 17 °C (63 °F), 3 rain days
  • Silves27 °C (81 °F) / 20 °C (68 °F), 3 rain days
  • Sines29 °C (84 °F) / 20 °C (68 °F), 4 rain days
  • Sintra26 °C (79 °F) / 16 °C (61 °F), 6 rain days
  • Sobral de Monte Agraço27 °C (81 °F) / 16 °C (61 °F), 7 rain days
  • Tabuaço26 °C (79 °F) / 15 °C (59 °F), 6 rain days
  • Tavira28 °C (82 °F) / 18 °C (64 °F), 3 rain days
  • Tomar29 °C (84 °F) / 16 °C (61 °F), 5 rain days
  • Torres Novas28 °C (82 °F) / 19 °C (66 °F), 6 rain days
  • Torres Vedras27 °C (81 °F) / 16 °C (61 °F), 5 rain days
  • Valença25 °C (77 °F) / 14 °C (57 °F), 8 rain days
  • Vendas Novas29 °C (84 °F) / 18 °C (64 °F), 5 rain days
  • Viana do Castelo25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Vila Chã23 °C (73 °F) / 16 °C (61 °F), 7 rain days
  • Vila do Bispo27 °C (81 °F) / 19 °C (66 °F), 5 rain days
  • Vila do Conde25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Vila Franca de Xira27 °C (81 °F) / 18 °C (64 °F), 7 rain days
  • Vila Nova de Famalicão26 °C (79 °F) / 16 °C (61 °F), 8 rain days
  • Vila Nova de Foz Côa26 °C (79 °F) / 15 °C (59 °F), 4 rain days
  • Vila Nova de Gaia25 °C (77 °F) / 15 °C (59 °F), 7 rain days
  • Vila Real de Santo António27 °C (81 °F) / 19 °C (66 °F), 5 rain days
  • Vila Real27 °C (81 °F) / 14 °C (57 °F), 7 rain days
  • Vila Viçosa30 °C (86 °F) / 16 °C (61 °F), 5 rain days
  • Viseu27 °C (81 °F) / 14 °C (57 °F), 7 rain days

Crowds and prices

Crowds · Portugal
Medium
Prices · Portugal
Medium

Compare two months

Weather, crowds and prices for any two months in Portugal, side by side.

  • Verdict

    Sep: Great

    Apr: Great

  • Crowds

    Sep: Medium

    Apr: Medium

  • Prices

    Sep: Medium

    Apr: Medium

  • Festivals listed

    Sep: 0

    Apr: 3

September: Warm sea, thinner crowds; grape harvest in the Douro.

April: Easter and 25 April (Freedom Day) bring domestic crowds; wildflowers in the south.

Portugal: figures are long-term averages from this guide, not a forecast.

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Where to go in September

Rated best or good this month

  • Lisbon and the centre

    Best weather of the year (Lisbon, Sintra, Cascais, Óbidos, Coimbra)

  • Porto and the north

    Best weather of the year (Porto, Braga, Guimarães, Douro Valley, Peneda-Gerês)

  • Alentejo

    Best weather of the year (Évora, Monsaraz, Alentejo coast)

  • Algarve

    Best weather of the year (Faro, Lagos, Tavira, Sagres)

  • Madeira

    Best weather of the year (Funchal and the island)

  • Azores

    Best weather of the year (São Miguel, Pico, Faial, Terceira)

  • Lisbon

    Warm and calmer; best month for walking.

  • Abrantes

    Best months: May–June, Sep–Oct

  • Aguçadoura

    Best months: May–Sep

  • Alandroal

    Best months: Mar–May, Sep–Oct

  • Albufeira

    Best months: May–Jun, Sep–early Oct

  • Alcácer do Sal

    Best months: Apr–Jun, Sep–Oct