Weather in Joensuu: September
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Average day temperature: | 55.6°F |
| Average night temperature: | 48.5°F | |
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Number of sunny days: | 7 days |
| Day length: | 11.5 - 14.4 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.1 in. | |
| more information | ||
14 days
forecast
forecast
| Joensuu |
weather in
October
October
| Joensuu |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 68°F. At the same time the lowest night temperature was 38°F. Daily and nightly averages during September were 58.9°F and 51.3°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Joensuu in September is 2.1 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 8.8 mph It makes September one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.6.
Best time for vacation in Joensuu
Joensuu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Joensuu
Local time: 14:45
December 29, monday
1500
21°F
S
6 mph
6 mph
1800
21°F
SW
12 mph
12 mph
2100
21°F
SW
13 mph
13 mph
December 30, tuesday
0000
19°F
S
12 mph
12 mph
0300
16°F
S
12 mph
12 mph
0600
12°F
S
12 mph
12 mph
0900
10°F
S
12 mph
12 mph
1200
18°F
S
12 mph
12 mph
