S
M
T
W
T
F
S
30
84°
63°
31
82°
66°
1
90°
70°
2
89°
70°
3
87°
69°
4
81°
65°
5
79°
57°
6
77°
57°
7
77°
57°
8
73°
56°
9
74°
55°
10
79°
57°
11
75°
54°
12
73°
55°
13
72°
55°
14
74°
52°
15
76°
56°
16
72°
56°
17
74°
52°
18
69°
47°
19
73°
51°
20
77°
55°
21
78°
55°
22
78°
54°
23
77°
55°
24
78°
54°
25
76°
52°
26
75°
51°
27
76°
52°
28
75°
53°
29
76°
51°
30
73°
48°
1
71°
48°
2
73°
47°
3
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Offutt Field
Offutt Field's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 47° and 70°. The average high for September is 76° with an average low of 55°. 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 Offutt Field. See also: October | November | December.