S
M
T
W
T
F
S
30
102°
71°
31
101°
74°
1
100°
71°
2
98°
73°
3
96°
74°
4
99°
71°
5
100°
72°
6
101°
74°
7
100°
74°
8
98°
72°
9
98°
71°
10
98°
73°
11
98°
72°
12
97°
73°
13
99°
72°
14
94°
71°
15
95°
71°
16
94°
70°
17
95°
71°
18
88°
62°
19
90°
67°
20
91°
67°
21
91°
68°
22
91°
68°
23
90°
67°
24
90°
67°
25
89°
66°
26
89°
66°
27
88°
65°
28
88°
65°
29
87°
64°
30
84°
62°
1
80°
56°
2
76°
53°
3
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Omaha
Omaha's September 2026 forecast shows daily high temperatures ranging from 76° to 101°, with overnight lows between 52° and 74°. The average high for September is 92° with an average low of 67°. 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 Omaha. See also: October | November | December.
