11.09
fri
fri
Day
72°F
N 11 mph
Precip.
2%
2%
Night
66°F
N 13 mph
Precip.
25%
25%
12.09
sat
sat
Day
77°F
NE 18 mph
Precip.
4%
4%
Night
66°F
S 9 mph
Precip.
10%
10%
13.09
sun
sun
Day
64°F
S 12 mph
Precip.
11%
11%
Night
55°F
S 9 mph
Precip.
6%
6%
14.09
mon
mon
Day
59°F
NW 21 mph
Precip.
17%
17%
Night
66°F
W 6 mph
Precip.
70%
70%
15.09
tue
tue
Day
66°F
E 9 mph
Precip.
28%
28%
Night
66°F
E 7 mph
Precip.
23%
23%
16.09
wed
wed
Day
61°F
NE 8 mph
Precip.
19%
19%
Night
61°F
SE 6 mph
Precip.
14%
14%
17.09
thu
thu
Day
57°F
S 11 mph
Precip.
6%
6%
Night
54°F
SW 8 mph
Precip.
4%
4%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.5°F and 62.2°F.
Air temperature in Oshkosh, °F
Precipitation total in Oshkosh, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oshkosh
Oshkosh on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Oshkosh
Local time: 05:18
September 11, friday
0600
59°F
NE
11 mph
11 mph
0900
66°F
NE
9 mph
9 mph
1200
72°F
N
11 mph
11 mph
1500
73°F
N
12 mph
12 mph
1800
73°F
N
11 mph
11 mph
2100
68°F
N
14 mph
14 mph
September 12, saturday
0000
66°F
N
13 mph
13 mph
0300
64°F
N
15 mph
15 mph
