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
71°
59°
20
71°
51°
21
68°
40°
22
69°
42°
23
72°
52°
24
66°
57°
25
66°
60°
26
64°
60°
27
77°
49°
28
66°
46°
29
76°
60°
30
81°
55°
1
64°
40°
2
65°
32°
3
68°
41°
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 68° to 68°, with overnight lows between 41° and 41°. The average high for September is 68° with an average low of 41°. 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.
