S
M
T
W
T
F
S
30
88°
70°
31
88°
69°
1
87°
68°
2
90°
68°
3
89°
67°
4
89°
69°
5
90°
70°
6
90°
70°
7
87°
68°
8
90°
69°
9
91°
68°
10
90°
69°
11
91°
67°
12
90°
68°
13
90°
67°
14
88°
66°
15
89°
68°
16
88°
67°
17
87°
68°
18
Hist. Avg.
86°
65°
19
Hist. Avg.
86°
64°
20
Hist. Avg.
86°
64°
21
Hist. Avg.
86°
64°
22
Hist. Avg.
86°
64°
23
Hist. Avg.
85°
63°
24
Hist. Avg.
85°
63°
25
Hist. Avg.
85°
62°
26
Hist. Avg.
84°
62°
27
Hist. Avg.
84°
62°
28
Hist. Avg.
84°
61°
29
Hist. Avg.
84°
61°
30
Hist. Avg.
83°
61°
1
Hist. Avg.
83°
60°
2
Hist. Avg.
83°
60°
3
Hist. Avg.
83°
59°
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 87° to 91°, with overnight lows between 66° and 70°. The average high for September is 89° with an average low of 68°. 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.
