Measurements:
°C
°F
CURRENT WEATHER
08:37
Appleton
66°F
NE 14 mph
Feels like: 66°F
Precip: 34%
World Resorts USA Appleton Weather

7 Day Weather Forecast

09.15
tue
DAY
76°F
E 15 mph
precip
15%
NIGHT
60°F
SW 7 mph
precip
17%
09.16
wed
DAY
64°F
W 6 mph
precip
13%
NIGHT
62°F
NW 3 mph
precip
18%
09.17
thu
DAY
64°F
S 2 mph
precip
22%
NIGHT
64°F
W 4 mph
precip
28%
09.18
fri
DAY
74°F
NW 9 mph
precip
10%
NIGHT
60°F
W 10 mph
precip
60%
09.19
sat
DAY
70°F
NE 5 mph
precip
29%
NIGHT
60°F
SW 11 mph
precip
29%
09.20
sun
DAY
58°F
SW 12 mph
precip
91%
NIGHT
58°F
SW 11 mph
precip
61%
09.21
mon
DAY
58°F
W 12 mph
precip
44%
NIGHT
58°F
W 9 mph
precip
45%

Appleton Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Appleton was 23.7°F. The maximum and minimum values were 21.4°F and 25.4°F respectively.

Appleton on the Weather Map

Best Time to Visit Appleton
The most sunny months:
August 15 days
September 14 days
October 14 days
The most warm months:
July 82.8 °F
August 81.0 °F
June 77.5 °F
Warmest sea temperature:
July 78.9 °F
August 77.9 °F
June 71.5 °F
The most cold months:
January 20.2 °F
February 23.9 °F
December 27.2 °F
The most rainy months:
June 4 days
April 3 days
March 2 days
The most windy months:
April 11 mph
March 10 mph
November 10 mph
more details