S
M
T
W
T
F
S
30
78°
58°
31
80°
60°
1
82°
62°
2
82°
62°
3
80°
61°
4
81°
61°
5
79°
60°
6
74°
58°
7
80°
58°
8
79°
60°
9
80°
53°
10
75°
54°
11
78°
59°
12
80°
58°
13
79°
59°
14
78°
57°
15
79°
58°
16
Hist. Avg.
74°
55°
17
Hist. Avg.
74°
55°
18
Hist. Avg.
74°
54°
19
Hist. Avg.
74°
54°
20
Hist. Avg.
73°
54°
21
Hist. Avg.
73°
53°
22
Hist. Avg.
72°
53°
23
Hist. Avg.
72°
53°
24
Hist. Avg.
72°
52°
25
Hist. Avg.
71°
52°
26
Hist. Avg.
71°
52°
27
Hist. Avg.
71°
51°
28
Hist. Avg.
70°
51°
29
Hist. Avg.
70°
50°
30
Hist. Avg.
70°
50°
1
Hist. Avg.
69°
50°
2
Hist. Avg.
69°
49°
3
Hist. Avg.
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nimitz
Nimitz's September 2026 forecast shows daily high temperatures ranging from 74° to 82°, with overnight lows between 53° and 62°. The average high for September is 79° with an average low of 59°. 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 Nimitz. See also: October | November | December.