Helsinki in Autumn — Weather & What to Expect
Autumn in Helsinki (September, October, November) averages daytime highs of 9.7°C and lows of 5.3°C, with around 223.8mm of rain across the season (38 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Helsinki covers September, October, November.
Autumn in Helsinki month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 14.9°C | 9.6°C | 58.7mm | 10 | 10/10 |
| October | 9.8°C | 5.5°C | 91.5mm | 14 | 10/10 |
| November | 4.4°C | 0.8°C | 73.6mm | 14 | 8/10 |
What to pack for Helsinki in autumn
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
- Warm winter coat
- Thermal underlayers
- Gloves, hat and scarf
- Waterproof boots
Frequently Asked Questions
Is autumn a good time to visit Helsinki?
Autumn in Helsinki rates around 9/10 — excellent time to visit. Average highs are 9.7°C with 223.8mm of rain across the season.
How hot is Helsinki in autumn?
Daytime highs average 9.7°C (49.5°F) across September, October, November, with nights around 5.3°C.
What months are autumn in Helsinki?
Helsinki is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Helsinki · Helsinki annual climate · Helsinki in spring · Helsinki in summer · Helsinki in winter
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Once you know what autumn in Helsinki looks like, find out exactly what to pack for Helsinki at 247PackingList. For currency, language and country facts, see the Finland guide at 247CountryInfo.
Autumn in Helsinki — what to pack
Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →Check clothing sizes in Finland at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.