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When to go · Reykjavík

Reykjavík in September

Good month. Cool; first Northern Lights.

Key facts

Verdict
Good
Temperature
11°C (52°F) / 6°C (43°F)
average high / low
Rain days
16
Crowds
Medium
Iceland overall
Prices
Medium
Iceland overall

Verdict

GoodVoykit month rating for Reykjavík

Cool; first Northern Lights.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • ReykjavíkHighs around 11 °C (52 °F), lows around 6 °C (43 °F), rain on about 16 days
  • Reykjavík and the south-west, Iceland · Reykjavík, Golden Circle, Reykjanesfine

    Mild and windy: around 0 °C (32 °F) in January, 12–14 °C (54–57 °F) in July. About 21 h of daylight in June, 4–5 h in late December.

Autumn season

The first Northern Lights, colours in the hills, Airwaves in November.

Watch: Wind and rain increase; short days by November.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Northern Lights season starts

    From mid September · Dark sky sites

    Tours begin; clear, dark nights matter.

  • Reykjavík International Film Festival check

    Late September to early October (check) · Cinemas

    Screenings and Q&As; book tickets early.

Crowds and prices

Crowds · Iceland overall
Medium
Prices · Iceland overall
Medium

Iceland overall: Autumn colours, aurora season begins, highlands close; great shoulder month.

Compare two months

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

  • Verdict

    Sep: Good

    Jun: Great (better)

  • Daytime high

    Sep: 11 °C (52 °F)

    Jun: 12 °C (54 °F)

  • Night low

    Sep: 6 °C (43 °F)

    Jun: 7 °C (45 °F)

  • Rain days

    Sep: 16

    Jun: 12 (better)

  • Crowds

    Sep: Medium

    Jun: High

  • Prices

    Sep: Medium

    Jun: High

  • Festivals listed

    Sep: 2

    Jun: 3

September: Cool; first Northern Lights.

June: Midnight sun; the busiest and best-lit month.

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

What to pack

  • A warm layer for the evenings
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Iceland in September →