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When to go · Posio

Posio in September

Great month. Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.

Key facts

Verdict
Great
Temperature
11°C (52°F) / 3°C (37°F)
average high / low
Rain days
10
Crowds
Medium
Finland overall
Prices
Medium
Finland overall

Verdict

GreatBest and avoid months for Posio

Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.

Is another month better than September?

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

Weather in September

Long-term averages
  • PosioHighs around 11 °C (52 °F), lows around 3 °C (37 °F), rain on about 10 days

Crowds and prices

Crowds · Finland overall
Medium
Prices · Finland overall
Medium

Finland overall: Ruska autumn colours in Lapland and the first auroras over lakes that are not yet frozen.

Compare two months

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

  • Verdict

    Sep: Great

    Feb: Great

  • Daytime high

    Sep: 11 °C (52 °F)

    Feb: -7 °C (19 °F)

  • Night low

    Sep: 3 °C (37 °F)

    Feb: -16 °C (3 °F)

  • Rain days

    Sep: 10

    Feb: 9 (better)

  • Crowds

    Sep: Medium

    Feb: Medium

  • Prices

    Sep: Medium

    Feb: High

  • Festivals listed

    Sep: 0

    Feb: 0

September: Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.

February: Inside Posio's best window: Feb–Mar for snow and ice climbing; Jun–Aug for hiking, fishing and lake beaches; Sep for ruska colours.

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

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Finland in September →