Measurements:
°C
°F
CURRENT WEATHER
11:08
Marquette
68°F
NE 14 mph
Feels like: 68°F
Precip: 15%
World Resorts USA Marquette Weather

7 Day Weather Forecast

09.15
tue
DAY
68°F
NE 14 mph
precip
15%
NIGHT
58°F
E 6 mph
precip
7%
09.16
wed
DAY
60°F
SW 4 mph
precip
10%
NIGHT
58°F
NE 4 mph
precip
28%
09.17
thu
DAY
62°F
E 4 mph
precip
18%
NIGHT
56°F
S 7 mph
precip
29%
09.18
fri
DAY
50°F
W 6 mph
precip
14%
NIGHT
44°F
NW 6 mph
precip
36%
09.19
sat
DAY
52°F
W 6 mph
precip
20%
NIGHT
54°F
S 6 mph
precip
39%
09.20
sun
DAY
58°F
SW 9 mph
precip
13%
NIGHT
56°F
SW 5 mph
precip
26%
09.21
mon
DAY
52°F
W 8 mph
precip
16%
NIGHT
46°F
W 11 mph
precip
56%

Marquette Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Marquette was 18.3°F. The maximum and minimum values were 15.9°F and 19.9°F respectively.

Marquette on the Weather Map

Best Time to Visit Marquette
The most sunny months:
July 16 days
August 14 days
May 13 days
The most warm months:
July 73.3 °F
August 73.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.7 °F
September 63.6 °F
July 62.2 °F
The most cold months:
January 18.8 °F
February 20.3 °F
December 25.3 °F
The most rainy months:
August 2 days
June 2 days
July 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph
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