When to go · Mäntsälä
Mäntsälä in September
Great month. Inside Mäntsälä's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 16°C (61°F)61°F (16°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Finland overall
- Prices
- Medium
- Finland overall
Verdict
Inside Mäntsälä's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Mäntsälä in this guide.
Weather in September
- MäntsäläHighs around 16 °C (61 °F), lows around 9 °C (48 °F), rain on about 9 daysHighs around 61 °F (16 °C), lows around 48 °F (9 °C), rain on about 9 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 Mäntsälä, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 16 °C (61 °F)61 °F (16 °C)
May: 15 °C (59 °F)59 °F (15 °C)
Night low
Sep: 9 °C (48 °F)48 °F (9 °C)
May: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 9 (better)
May: 10
Crowds
Sep: Medium
May: Low
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Mäntsälä's best window: May–Sep.
May: Inside Mäntsälä's best window: May–Sep.
Mäntsälä: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings