The temperatures in Espoo in September are usually low and can range between 11°C and 15°C.
You can expect about 3 to 8 days of rain in Espoo during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Espoo in September 2025.
If you’re planning to visit Espoo in the near future, we highly recommend that you review the 14 day weather forecast for Espoo before you arrive.
Temperatures
15° / 11°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
94
mm
Sun Hours
8.9
Hrs
