S
M
T
W
T
F
S
30
71°
58°
31
70°
57°
1
70°
57°
2
71°
54°
3
72°
54°
4
72°
58°
5
71°
58°
6
73°
57°
7
74°
59°
8
73°
58°
9
70°
58°
10
71°
57°
11
69°
58°
12
70°
58°
13
73°
59°
14
74°
58°
15
73°
57°
16
73°
57°
17
72°
56°
18
72°
57°
19
73°
53°
20
72°
54°
21
Hist. Avg.
75°
54°
22
Hist. Avg.
75°
54°
23
Hist. Avg.
75°
54°
24
Hist. Avg.
75°
54°
25
Hist. Avg.
75°
54°
26
Hist. Avg.
75°
54°
27
Hist. Avg.
75°
54°
28
Hist. Avg.
75°
54°
29
Hist. Avg.
75°
54°
30
Hist. Avg.
75°
53°
1
Hist. Avg.
75°
53°
2
Hist. Avg.
75°
53°
3
Hist. Avg.
75°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Vandenberg Space Force Base
Vandenberg Space Force Base's September 2026 forecast shows daily high temperatures ranging from 69° to 74°, with overnight lows between 53° and 59°. The average high for September is 72° with an average low of 57°. 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 Vandenberg Space Force Base. See also: October | November | December.
