S
M
T
W
T
F
S
30
76°
53°
31
76°
57°
1
75°
55°
2
75°
57°
3
76°
54°
4
73°
52°
5
73°
53°
6
74°
53°
7
72°
54°
8
75°
55°
9
75°
51°
10
77°
50°
11
73°
51°
12
74°
50°
13
73°
54°
14
77°
55°
15
79°
54°
16
78°
56°
17
79°
57°
18
78°
55°
19
77°
52°
20
Hist. Avg.
73°
51°
21
Hist. Avg.
73°
50°
22
Hist. Avg.
72°
50°
23
Hist. Avg.
72°
49°
24
Hist. Avg.
71°
49°
25
Hist. Avg.
71°
48°
26
Hist. Avg.
70°
48°
27
Hist. Avg.
70°
48°
28
Hist. Avg.
69°
47°
29
Hist. Avg.
69°
47°
30
Hist. Avg.
68°
46°
1
Hist. Avg.
68°
46°
2
Hist. Avg.
67°
45°
3
Hist. Avg.
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fairmont
Fairmont's September 2026 forecast shows daily high temperatures ranging from 72° to 79°, with overnight lows between 50° and 57°. The average high for September is 75° with an average low of 54°. 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 Fairmont. See also: October | November | December.
