When to go · Mariehamn
Mariehamn in September
Good month. Outside the best window (Jun–Aug). Across Finland: Ruska autumn colours in Lapland and the first auroras over lakes that are not yet frozen.
Key facts
- Verdict
- Good
- Temperature
- 15°C59°F / 8°C46°F
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Finland overall
- Prices
- Medium
- Finland overall
Verdict
GoodFinland month rating
Outside the best window (Jun–Aug). Across Finland: Ruska autumn colours in Lapland and the first auroras over lakes that are not yet frozen.
Weather in September
- MariehamnHighs around 15 °C, lows around 8 °C, rain on about 10 daysHighs around 59 °F, lows around 46 °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.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast