Measurements:
°C
°F
Espoo
52°F
N 7 mph
Feels like: 50°F
Precip: 16%
World Resorts Finland Espoo Weather September Weather in Espoo

Espoo Weather: September

Average Day Temperature: 60.6°F
Average Night Temperature: 52.4°F
Sea Water Temperature: 59.8°F
Number of Sunny Days: 10 days
Sunshine Hours: 11.5 - 14.2 hours
Number of Rainy Days: 4 days
Precipitation Totals: 1.9 in

Air Temperature in September, °F

Select Year: 2026 2025 2024

The highest day temperature in September 2026 was 68°F. The lowest night temperature was 42°F. The average values for day and night temperatures during September were 60.6°F и 51.7°F respectivly.

Espoo Water Sea Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Espoo was 58.5°F. The maximum and minimum values were 55.0°F and 61.4°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Espoo is 1.9 in.

Wind Speed in September, mph

The average wind speed in September is 9.1 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Espoo in September is 6.8 hours.

Best Time to Visit Espoo
The most sunny months:
June 14 days
May 14 days
July 13 days
The most warm months:
July 71.6 °F
August 69.7 °F
June 66.1 °F
Warmest sea temperature:
August 64.5 °F
July 63.2 °F
September 59.8 °F
The most cold months:
January 25.1 °F
February 26.2 °F
December 31.5 °F
The most rainy months:
November 4 days
October 4 days
September 4 days
The most windy months:
December 11 mph
November 11 mph
January 10 mph

Espoo on the Weather Map

Finland Resorts:
NAME
F°
Espoo +52
Helsinki +54
Imatra +48
Juvaskyla +48
Kemi +52
Kotka +58
Lahti +48
Lappeenranta +50
Oulu +54
Pori +54
Porvoo +58
Savolinna +48
Turku +56
Vaasa +56
Vantaa +54
24 Hours Weather Forecast
Espoo
Local time: 00:55
29 sep, tuesday
0300 52°F
N
6 mph
0600 54°F
N
7 mph
0900 56°F
N
7 mph
1200 56°F
N
7 mph
1500 60°F
NE
7 mph
1800 58°F
NE
4 mph
2100 54°F
SE
2 mph
30 sep, wednesday
0000 56°F
S
6 mph