12.09
sat
sat
Day
61°F
NE 11 mph
Precip.
9%
9%
Night
52°F
NE 8 mph
Precip.
26%
26%
13.09
sun
sun
Day
61°F
E 7 mph
Precip.
18%
18%
Night
52°F
E 2 mph
Precip.
25%
25%
14.09
mon
mon
Day
57°F
N 7 mph
Precip.
15%
15%
Night
48°F
NE 5 mph
Precip.
34%
34%
15.09
tue
tue
Day
59°F
N 9 mph
Precip.
18%
18%
Night
55°F
N 11 mph
Precip.
82%
82%
16.09
wed
wed
Day
57°F
NE 9 mph
Precip.
37%
37%
Night
50°F
NE 14 mph
Precip.
25%
25%
17.09
thu
thu
Day
54°F
NE 14 mph
Precip.
31%
31%
Night
50°F
NE 11 mph
Precip.
47%
47%
18.09
fri
fri
Day
55°F
NE 14 mph
Precip.
7%
7%
Night
48°F
E 14 mph
Precip.
27%
27%
19.09
sat
sat
Day
59°F
E 14 mph
Precip.
8%
8%
Night
54°F
E 9 mph
Precip.
22%
22%
20.09
sun
sun
Day
61°F
NE 8 mph
Precip.
6%
6%
Night
55°F
NE 2 mph
Precip.
24%
24%
21.09
mon
mon
Day
63°F
N 6 mph
Precip.
5%
5%
Night
55°F
NW 6 mph
Precip.
19%
19%
22.09
tue
tue
Day
66°F
NW 11 mph
Precip.
3%
3%
Night
57°F
NW 8 mph
Precip.
25%
25%
23.09
wed
wed
Day
68°F
N 9 mph
Precip.
9%
9%
Night
59°F
N 6 mph
Precip.
10%
10%
24.09
thu
thu
Day
68°F
N 6 mph
Precip.
3%
3%
Night
59°F
NE 4 mph
Precip.
20%
20%
25.09
fri
fri
Day
66°F
N 9 mph
Precip.
4%
4%
Night
55°F
E 8 mph
Precip.
29%
29%
sea water
temperature
temperature
| Jonkoping |
monthly
weather
weather
| Jonkoping |
current
weather
weather
| Jonkoping |
7 days
forecast
forecast
| Jonkoping |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 54.7°F.
Air temperature in Jonkoping, °F
Precipitation total in Jonkoping, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jonkoping
Jonkoping on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Jonkoping
Local time: 16:21
September 12, saturday
1800
55°F
E
10 mph
10 mph
2100
52°F
NE
7 mph
7 mph
September 13, sunday
0000
52°F
NE
8 mph
8 mph
0300
52°F
NE
9 mph
9 mph
0600
54°F
NE
9 mph
9 mph
0900
54°F
NE
7 mph
7 mph
1200
61°F
E
7 mph
7 mph
1500
63°F
E
6 mph
6 mph
