S
M
T
W
T
F
S
30
95°
71°
31
94°
71°
1
95°
70°
2
96°
71°
3
96°
70°
4
95°
71°
5
94°
71°
6
95°
69°
7
95°
63°
8
87°
62°
9
87°
64°
10
91°
64°
11
92°
67°
12
94°
67°
13
90°
66°
14
92°
67°
15
91°
66°
16
91°
60°
17
84°
59°
18
82°
60°
19
82°
57°
20
84°
56°
21
82°
57°
22
81°
57°
23
81°
58°
24
82°
62°
25
82°
63°
26
83°
63°
27
85°
62°
28
82°
64°
29
86°
61°
30
86°
60°
1
81°
58°
2
80°
53°
3
79°
54°
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 79° to 96°, with overnight lows between 53° and 71°. The average high for September is 88° with an average low of 63°. 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.
