worldweatherFinland weather in September - temperature, rain and is it a good time to visit?
September is one of the best months for a holiday in Finland.
Daytime
15°
Night
7°
☀️ Day length
13 h 00 min
Chance of rain
50%
Thunder days
2%
Snow days
1%
Humid days
3%
In September, Finland averages about 15° during the day and 7° at night. Rain is fairly likely - around a 50% chance on a given day, so pack for showers.
Finland weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January | -5℃ | -10℃ | 32% |
| February | -1℃ | -6℃ | 40% |
| March | 2℃ | -6℃ | 33% |
| April | 8℃ | -1℃ | 52% |
| May ★ | 15℃ | 5℃ | 47% |
| June ★ | 18℃ | 9℃ | 62% |
| July ★ | 22℃ | 12℃ | 55% |
| August ★ | 20℃ | 11℃ | 57% |
| September ★ | 15℃ | 7℃ | 50% |
| October ★ | 7℃ | 1℃ | 49% |
| November | 3℃ | -1℃ | 64% |
| December | 0℃ | -5℃ | 53% |
★ - months most often recommended for travel
Where is it warmest in Finland in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Helsinki | 16℃ | 7℃ | 17℃ | 39% |
| Turku | 16℃ | 7℃ | 17℃ | 42% |
| Vantaa | 16℃ | 8℃ | 17℃ | 45% |
| Espoo | 16℃ | 8℃ | 17℃ | 45% |
| Pori | 16℃ | 8℃ | 17℃ | 51% |
| Lahti | 15℃ | 8℃ | - | 55% |
| Tampere | 15℃ | 6℃ | - | 57% |
| Jyväskylä | 14℃ | 5℃ | - | 54% |
| Oulu | 14℃ | 7℃ | 15℃ | 53% |
| Rovaniemi | 11℃ | 6℃ | - | 63% |
Travelling soon? Check the live 14-day weather forecast for Finland.