S
M
T
W
T
F
S
30
73°
50°
31
73°
57°
1
74°
49°
2
77°
54°
3
74°
50°
4
71°
48°
5
71°
49°
6
72°
54°
7
70°
48°
8
75°
54°
9
78°
47°
10
75°
47°
11
75°
48°
12
76°
50°
13
77°
52°
14
78°
53°
15
77°
54°
16
77°
54°
17
78°
52°
18
76°
45°
19
65°
42°
20
64°
42°
21
Hist. Avg.
70°
46°
22
Hist. Avg.
69°
46°
23
Hist. Avg.
69°
45°
24
Hist. Avg.
68°
45°
25
Hist. Avg.
68°
44°
26
Hist. Avg.
67°
44°
27
Hist. Avg.
67°
44°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
66°
43°
30
Hist. Avg.
65°
42°
1
Hist. Avg.
65°
42°
2
Hist. Avg.
64°
41°
3
Hist. Avg.
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fargo
Fargo's September 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 42° and 57°. The average high for September is 74° with an average low of 50°. 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 Fargo. See also: October | November | December.
