S
M
T
W
T
F
S
30
81°
67°
31
90°
64°
1
87°
65°
2
82°
61°
3
82°
61°
4
83°
62°
5
81°
59°
6
81°
57°
7
79°
55°
8
74°
54°
9
74°
54°
10
72°
49°
11
73°
49°
12
74°
56°
13
76°
56°
14
73°
54°
15
75°
54°
16
75°
53°
17
73°
53°
18
74°
54°
19
74°
53°
20
73°
52°
21
74°
54°
22
75°
54°
23
74°
53°
24
74°
53°
25
73°
52°
26
74°
52°
27
73°
51°
28
73°
51°
29
72°
50°
30
71°
50°
1
71°
49°
2
70°
50°
3
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Vesper
Vesper's September 2026 forecast shows daily high temperatures ranging from 70° to 90°, with overnight lows between 49° and 67°. 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 Vesper. See also: October | November | December.