Measurements:
°C
°F
CURRENT WEATHER
08:41
Sturgeon Bay
68°F
NE 17 mph
Feels like: 68°F
Precip: 31%
World Resorts USA Sturgeon Bay Weather

7 Day Weather Forecast

09.15
tue
DAY
74°F
E 19 mph
precip
18%
NIGHT
62°F
SW 8 mph
precip
15%
09.16
wed
DAY
68°F
W 8 mph
precip
12%
NIGHT
64°F
N 1 mph
precip
18%
09.17
thu
DAY
68°F
SE 3 mph
precip
15%
NIGHT
62°F
SW 6 mph
precip
30%
09.18
fri
DAY
68°F
NW 9 mph
precip
15%
NIGHT
58°F
W 12 mph
precip
50%
09.19
sat
DAY
66°F
NW 8 mph
precip
60%
NIGHT
60°F
SW 12 mph
precip
29%
09.20
sun
DAY
60°F
W 17 mph
precip
74%
NIGHT
58°F
W 16 mph
precip
59%
09.21
mon
DAY
58°F
W 16 mph
precip
53%
NIGHT
58°F
W 14 mph
precip
54%

Sturgeon Bay Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Sturgeon Bay was 21.2°F. The maximum and minimum values were 19.0°F and 22.3°F respectively.

Sturgeon Bay on the Weather Map

Best Time to Visit Sturgeon Bay
The most sunny months:
August 15 days
July 14 days
September 13 days
The most warm months:
July 78.1 °F
August 77.3 °F
June 71.0 °F
Warmest sea temperature:
August 72.6 °F
July 71.2 °F
September 67.0 °F
The most cold months:
January 20.4 °F
February 22.8 °F
December 28.2 °F
The most rainy months:
April 3 days
July 2 days
August 2 days
The most windy months:
November 11 mph
December 11 mph
March 11 mph
more details