S
M
T
W
T
F
S
30
84°
63°
31
83°
62°
1
82°
61°
2
83°
63°
3
84°
62°
4
83°
61°
5
79°
61°
6
82°
60°
7
82°
58°
8
75°
58°
9
79°
57°
10
79°
59°
11
80°
56°
12
69°
50°
13
66°
47°
14
66°
51°
15
66°
54°
16
76°
54°
17
69°
50°
18
70°
45°
19
80°
39°
20
64°
41°
21
65°
42°
22
63°
50°
23
71°
53°
24
74°
51°
25
77°
54°
26
76°
43°
27
73°
40°
28
70°
37°
29
58°
35°
30
55°
34°
1
55°
36°
2
57°
45°
3
60°
47°
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 55° to 84°, with overnight lows between 34° and 63°. The average high for September is 72° with an average low of 51°. 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.
