16.09
wed
wed
Day

63°F
SE 12 mph
Precip.
36%
36%
Night

54°F
NE 7 mph
Precip.
29%
29%
17.09
thu
thu
Day

61°F
NE 17 mph
Precip.
21%
21%
Night

55°F
NE 7 mph
Precip.
32%
32%
18.09
fri
fri
Day

59°F
E 15 mph
Precip.
36%
36%
Night

54°F
NE 10 mph
Precip.
20%
20%
19.09
sat
sat
Day

61°F
NE 16 mph
Precip.
24%
24%
Night

59°F
NE 9 mph
Precip.
33%
33%
20.09
sun
sun
Day

61°F
SE 14 mph
Precip.
17%
17%
Night

52°F
E 7 mph
Precip.
16%
16%
21.09
mon
mon
Day

63°F
SE 12 mph
Precip.
12%
12%
Night

57°F
SE 4 mph
Precip.
41%
41%
22.09
tue
tue
Day

63°F
S 11 mph
Precip.
5%
5%
Night

61°F
S 7 mph
Precip.
25%
25%
23.09
wed
wed
Day

66°F
SE 10 mph
Precip.
17%
17%
Night

55°F
SE 3 mph
Precip.
35%
35%
24.09
thu
thu
Day

64°F
S 12 mph
Precip.
29%
29%
Night

55°F
S 13 mph
Precip.
16%
16%
25.09
fri
fri
Day

61°F
SW 11 mph
Precip.
7%
7%
Night

48°F
SW 4 mph
Precip.
6%
6%
26.09
sat
sat
Day

57°F
W 13 mph
Precip.
2%
2%
Night

45°F
W 7 mph
Precip.
7%
7%
27.09
sun
sun
Day

57°F
SW 7 mph
Precip.
3%
3%
Night

46°F
SE 4 mph
Precip.
15%
15%
28.09
mon
mon
Day

57°F
NE 7 mph
Precip.
33%
33%
Night

52°F
SE 12 mph
Precip.
34%
34%
29.09
tue
tue
Day

52°F
NE 17 mph
Precip.
63%
63%
Night

54°F
E 6 mph
Precip.
39%
39%
sea water
temperature
temperature
| Groningen |
monthly
weather
weather
| Groningen |
current
weather
weather
| Groningen |
7 days
forecast
forecast
| Groningen |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 64.1°F. The highest and lowest sea temperatures during the month were 65.8°F and 62.6°F.
Air temperature in Groningen, °F
Precipitation total in Groningen, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Groningen
Groningen on a weather map
Places in Netherlands:
Name
°F
24 Hours Forecast
Groningen
Local time: 15:36
September 16, wednesday
1800

63°F
SE
11 mph
11 mph
2100

54°F
E
6 mph
6 mph
September 17, thursday
0000

54°F
NE
7 mph
7 mph
0300

54°F
NE
7 mph
7 mph
0600

52°F
NE
11 mph
11 mph
0900

55°F
N
11 mph
11 mph
1200

61°F
NE
17 mph
17 mph
1500

59°F
NE
17 mph
17 mph


























