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Normal weather in Finland in September

The weather in Finland in September has an average temperature of around 14°C during the day. On average, September sees 61 mm of rain in Finland. The wind speed is 4 Beaufort and mainly comes from South.

After August, September in Finland starts with a temperature of 17°C and ends around October at 11°C.

September averages for Finland

Temperature Average temperature
14°C
Sun Highest daytime temperature
17°C
Sun Lowest daytime temperature
11°C
Rain Total rainfall
61 mm
Rain Rainy days
10 days

Temperature per day in September in Finland

This graph shows the average daily maximum temperatures in September in Finland, indicated in degrees Celsius.

Temperature per day in September in Finland

Precipitation per day in September in Finland

This graph shows the average daily precipitation in September in Finland, indicated in millimeters.

Precipitation per day in September in Finland

UV index per day in September in Finland

This graph shows the average daily UV index in September in Finland.

UV index per day in September in Finland

Yearly temperature in September in Finland

This graph shows the average yearly temperature in September in Finland, measured in degrees Celsius, over the past years.

Yearly temperature in September in Finland

Yearly total precipitation in September in Finland

This graph shows the average yearly precipitation in millimeters in September in Finland, over the past years.

Precipitation per year in September in Finland

Average daily weather in September

weather
max/min
rain
wind
uv
1 September
showers-day
17° 11°
0,7 mm
ZW 4
3
2 September
showers-day
17° 10°
0,8 mm
Z 3
3
3 September
showers-day
16°
1,8 mm
Z 4
3
4 September
rain
16° 10°
2,2 mm
Z 4
3
5 September
rain
16°
2,9 mm
Z 4
3
6 September
showers-day
16°
0,3 mm
Z 3
3
7 September
showers-day
16°
0,8 mm
Z 4
2
8 September
showers-day
17° 10°
0,7 mm
Z 3
3
9 September
showers-day
17° 10°
1,3 mm
Z 3
2
10 September
rain
16° 11°
4,6 mm
Z 3
2
11 September
rain
17° 11°
2,0 mm
Z 4
2
12 September
rain
16° 10°
8,2 mm
ZW 4
2
13 September
showers-day
16°
1,4 mm
ZW 4
3
14 September
showers-day
14°
1,2 mm
ZW 4
3
15 September
rain
14°
2,4 mm
ZW 4
2
16 September
rain
13°
4,5 mm
Z 4
2
17 September
rain
12°
4,0 mm
Z 4
2
18 September
showers-day
13°
1,0 mm
Z 4
3
19 September
showers-day
14°
1,6 mm
Z 4
2
20 September
clear-day
14°
0,2 mm
Z 4
2
21 September
showers-day
13°
0,5 mm
Z 4
2
22 September
rain
14°
3,6 mm
Z 4
2
23 September
showers-day
12°
1,8 mm
Z 4
2
24 September
showers-day
12°
0,5 mm
ZW 4
2
25 September
showers-day
12°
1,0 mm
Z 4
2
26 September
rain
13°
2,3 mm
ZW 4
1
27 September
showers-day
13°
0,7 mm
ZW 4
2
28 September
showers-day
12°
0,8 mm
Z 4
2
29 September
rain
11°
2,8 mm
Z 4
2
30 September
rain
11°
4,2 mm
Z 4
2

Average weather in Finland per month

Click on a month below to see in detail how the weather typically is in Finland and what to expect. Based on the historical weather data of Finland, you can view the average temperature, precipitation, wind, and UV index for each day of the month.