19.09
sat
sat
Day
55°F
NW 9 mph
Precip.
61%
61%
Night
55°F
SW 11 mph
Precip.
53%
53%
20.09
sun
sun
Day
63°F
SW 16 mph
Precip.
20%
20%
Night
50°F
SW 14 mph
Precip.
26%
26%
21.09
mon
mon
Day
57°F
W 14 mph
Precip.
15%
15%
Night
52°F
SW 12 mph
Precip.
17%
17%
22.09
tue
tue
Day
59°F
W 13 mph
Precip.
2%
2%
Night
52°F
SW 6 mph
Precip.
10%
10%
23.09
wed
wed
Day
63°F
W 9 mph
Precip.
3%
3%
Night
52°F
E 6 mph
Precip.
10%
10%
24.09
thu
thu
Day
61°F
SW 6 mph
Precip.
3%
3%
Night
55°F
E 2 mph
Precip.
8%
8%
25.09
fri
fri
Day
64°F
NE 2 mph
Precip.
1%
1%
Night
57°F
N 4 mph
Precip.
9%
9%
sea water
temperature
temperature
| Appleton |
monthly
weather
weather
| Appleton |
current
weather
weather
| Appleton |
14 days
forecast
forecast
| Appleton |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 73.4°F. The highest and lowest sea temperatures during the month were 77.7°F and 67.1°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 69.6°F and 51.3°F.
Air temperature in Appleton, °F
Precipitation total in Appleton, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Appleton
Appleton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Appleton
Local time: 04:16
September 19, saturday
0600
54°F
W
11 mph
11 mph
0900
55°F
NW
11 mph
11 mph
1200
55°F
NW
9 mph
9 mph
1500
57°F
NW
11 mph
11 mph
1800
57°F
W
9 mph
9 mph
2100
59°F
W
7 mph
7 mph
September 20, sunday
0000
55°F
SW
11 mph
11 mph
0300
54°F
SW
9 mph
9 mph
