S
M
T
W
T
F
S
30
76°
53°
31
76°
54°
1
75°
57°
2
74°
55°
3
75°
54°
4
74°
53°
5
73°
53°
6
72°
54°
7
72°
53°
8
73°
52°
9
74°
52°
10
74°
51°
11
73°
51°
12
71°
52°
13
72°
53°
14
72°
55°
15
77°
54°
16
78°
56°
17
77°
57°
18
77°
56°
19
68°
47°
20
68°
45°
21
Hist. Avg.
72°
48°
22
Hist. Avg.
72°
48°
23
Hist. Avg.
71°
47°
24
Hist. Avg.
71°
47°
25
Hist. Avg.
70°
46°
26
Hist. Avg.
70°
46°
27
Hist. Avg.
70°
45°
28
Hist. Avg.
69°
45°
29
Hist. Avg.
69°
45°
30
Hist. Avg.
68°
44°
1
Hist. Avg.
68°
44°
2
Hist. Avg.
68°
44°
3
Hist. Avg.
67°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Marquette
Marquette's September 2026 forecast shows daily high temperatures ranging from 68° to 78°, with overnight lows between 45° and 57°. The average high for September is 74° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Marquette. See also: October | November | December.
