Measurements:
°C
°F
CURRENT WEATHER
08:41
Green Bay
68°F
NE 17 mph
Feels like: 68°F
Precip: 32%
World Resorts USA Green Bay Weather

14 Day Weather Forecast

09.15
tue
DAY
76°F
E 19 mph
precip
15%
NIGHT
62°F
SW 11 mph
precip
15%
09.16
wed
DAY
68°F
W 9 mph
precip
13%
NIGHT
64°F
N 2 mph
precip
20%
09.17
thu
DAY
68°F
SE 2 mph
precip
19%
NIGHT
62°F
W 4 mph
precip
29%
09.18
fri
DAY
74°F
NW 10 mph
precip
12%
NIGHT
60°F
W 12 mph
precip
54%
09.19
sat
DAY
70°F
NE 7 mph
precip
50%
NIGHT
60°F
SW 14 mph
precip
31%
09.20
sun
DAY
60°F
W 16 mph
precip
87%
NIGHT
60°F
SW 15 mph
precip
67%
09.21
mon
DAY
58°F
W 16 mph
precip
48%
NIGHT
58°F
W 12 mph
precip
67%
09.22
tue
DAY
62°F
SW 8 mph
precip
25%
NIGHT
56°F
S 10 mph
precip
31%
09.23
wed
DAY
64°F
E 6 mph
precip
16%
NIGHT
58°F
E 7 mph
precip
15%
09.24
thu
DAY
68°F
E 18 mph
precip
8%
NIGHT
50°F
SE 11 mph
precip
6%
09.25
fri
DAY
58°F
SE 16 mph
precip
4%
NIGHT
48°F
SE 7 mph
precip
13%
09.26
sat
DAY
58°F
SE 12 mph
precip
3%
NIGHT
44°F
S 12 mph
precip
10%
09.27
sun
DAY
52°F
SW 10 mph
precip
3%
NIGHT
46°F
W 6 mph
precip
19%
09.28
mon
DAY
48°F
E 4 mph
precip
74%
NIGHT
44°F
S 17 mph
precip
47%

Green Bay Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Green Bay was 76.9°F. The maximum and minimum values were 72.4°F and 79.8°F respectively.

Green Bay on the Weather Map

Best Time to Visit Green Bay
The most sunny months:
August 15 days
July 14 days
September 13 days
The most warm months:
July 82.2 °F
August 80.9 °F
June 76.9 °F
Warmest sea temperature:
July 78.0 °F
August 76.4 °F
June 70.2 °F
The most cold months:
January 20.8 °F
February 24.3 °F
December 28.0 °F
The most rainy months:
June 3 days
April 3 days
July 2 days
The most windy months:
April 11 mph
March 11 mph
November 11 mph
more details
USA Resorts:
NAME
F°
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
all resorts
24 Hours Weather Forecast
Green Bay
Local time: 08:41
15 sep, tuesday
0900 68°F
NE
17 mph
1200 76°F
E
19 mph
1500 74°F
E
16 mph
1800 68°F
E
11 mph
2100 64°F
E
7 mph
16 sep, wednesday
0000 62°F
SW
11 mph
0300 60°F
SW
8 mph
0600 58°F
SW
8 mph