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Groningen weather in September

Weather in Groningen: September

Average day temperature: 65.1°F
Average night temperature: 54.7°F
Sea water temperature: 62.4°F
Number of sunny days: 9 days
Day length: 11.7 - 13.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.7 in.

Air temperature in September, °F

Show year:
2024
2023
2022
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3
5
7
9
11
13
15
17
19
21
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25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 79°F. At the same time the lowest night temperature was 45°F. Day and night temperature averages during September were 66.3°F and 55.8°F.

Sea water temperature in Groningen in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
70
73

The average sea water temperature in September of 2024 was 63.4°F. The highest and lowest sea temperatures during the month were 67.1°F and 58.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
29%
35%
35%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.9
1.3
1.7
2.2
2.6
3.0
3.4
1.6
1.4
1.6
2.5
2.5
2.5
1.8
1.4
1.5
1.5
1.8
1.6
1.4
1.6
1.6
2.5
2.5
2.5
1.8
1.4
1.5
1.5
1.8

Precipitation total value in Groningen in September is 1.6 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
2.2
4.3
6.5
8.7
10.9
13.0
15.2
17.4
11.6
10.7
10.7
9.0
9.3
9.1
9.8
10.8
11.3
12.7
12.2
11.6
10.7
10.7
9.0
9.0
9.3
9.1
9.8
10.8
11.3
12.7
12.2

The average wind speed value in September is 9.0 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.3
7.9
9.5
11.1
12.7
2.0
2.6
4.3
7.9
7.3
9.2
7.5
5.9
5.3
3.5
2.5
2.0
2.6
4.3
6.7
7.9
7.3
9.2
7.5
5.9
5.3
3.5
2.5

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: 6.7.

Best time for vacation in Groningen

Sunniest months:
August 10 days
September 9 days
March 9 days
Warmest months:
August 70.5 °F
July 69.1 °F
June 66.3 °F
Warmest sea temp:
August 66.3 °F
July 64.8 °F
September 62.4 °F
Coldest months:
January 40.9 °F
February 42.6 °F
December 43.7 °F
Rainiest months:
July 6 days
August 5 days
June 5 days
Windiest months:
February 12.9 mph
January 12.9 mph
December 12.8 mph

Groningen on a weather map

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Places in Netherlands:
Name
°F
+43°F
+79°F
+43°F
+43°F
+41°F
+41°F
+43°F
+43°F
+43°F
24 Hours Forecast
Groningen
Local time: 09:14
February 26, wednesday
1200
48°F
NE
9 mph
1500
50°F
NE
10 mph
1800
45°F
NW
6 mph
2100
45°F
N
10 mph
February 27, thursday
0000
43°F
N
14 mph
0300
41°F
E
14 mph
0600
41°F
NE
10 mph
0900
41°F
NE
12 mph
Units of measurement: °C / °F