S
M
T
W
T
F
S
30
83°
67°
31
89°
61°
1
84°
54°
2
85°
54°
3
90°
63°
4
89°
58°
5
87°
64°
6
88°
70°
7
84°
68°
8
89°
62°
9
77°
55°
10
89°
51°
11
81°
59°
12
69°
48°
13
69°
41°
14
60°
53°
15
72°
48°
16
72°
41°
17
72°
47°
18
68°
59°
19
69°
51°
20
68°
50°
21
68°
45°
22
68°
49°
23
70°
55°
24
67°
54°
25
73°
57°
26
70°
51°
27
70°
53°
28
69°
49°
29
68°
50°
30
72°
51°
1
69°
50°
2
64°
41°
3
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fargo
Fargo's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 41° and 57°. The average high for September is 69° 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.
