Weather in Joensuu: September
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Average day temperature: | 55.3°F |
Average night temperature: | 48.3°F | |
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Number of sunny days: | 6 days |
Day length: | 11.5 - 14.4 hours | |
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Number of rainy days: | 4 days |
Precipitation totals: | 2.2 in. | |
more information |
14 days
forecast
forecast
Joensuu |
weather in
October
October
Joensuu |
Air temperature in September, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature | Night temperature |
The highest day temperature during September of 2024 was 71°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 61.7°F and 53.1°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
20%
27%
53%
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.0
1.6
2.1
2.6
3.1
3.6
1.8
1.9
2.0
3.0
2.8
1.8
1.9
1.6
1.4
1.3
1.4
1.8
1.9
2.0
2.2
3.0
2.8
1.8
1.9
1.6
1.4
1.3
1.4
Precipitation total value in Joensuu in September is 2.2 in. Other months of the year show relatively similar values.
Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.5
5.3
7.0
8.8
10.5
12.3
14.0
9.3
10.2
9.7
7.9
6.8
7.4
7.1
7.3
8.3
8.7
8.7
9.3
10.2
9.7
8.8
7.9
6.8
7.4
7.1
7.3
8.3
8.7
8.7
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
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.0
5.9
7.9
9.9
11.9
13.8
15.8
1.7
3.0
8.6
9.9
11.5
8.3
4.4
3.5
1.9
1.3
1.7
3.0
5.4
8.6
9.9
11.5
8.3
4.4
3.5
1.9
1.3
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: 5.4.
Best time for vacation in Joensuu
Joensuu on a weather map
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Places in Finland:
Name
°F
24 Hours Forecast
Joensuu
Local time: 20:08
April 01, tuesday
2100

37°F
NE
4 mph
4 mph
April 02, wednesday
0000

36°F
E
5 mph
5 mph
0300

37°F
SE
9 mph
9 mph
0600

37°F
E
7 mph
7 mph
0900

39°F
E
8 mph
8 mph
1200

45°F
SE
8 mph
8 mph
1500

48°F
SE
9 mph
9 mph
1800

45°F
SE
6 mph
6 mph