S
M
T
W
T
F
S
30
82°
62°
31
84°
62°
1
85°
65°
2
86°
67°
3
86°
66°
4
85°
66°
5
85°
65°
6
80°
64°
7
81°
63°
8
85°
65°
9
85°
63°
10
84°
64°
11
84°
64°
12
83°
63°
13
83°
64°
14
82°
62°
15
83°
63°
16
83°
63°
17
78°
64°
18
Hist. Avg.
79°
60°
19
Hist. Avg.
79°
60°
20
Hist. Avg.
79°
60°
21
Hist. Avg.
78°
59°
22
Hist. Avg.
78°
59°
23
Hist. Avg.
78°
58°
24
Hist. Avg.
77°
58°
25
Hist. Avg.
77°
58°
26
Hist. Avg.
77°
57°
27
Hist. Avg.
76°
57°
28
Hist. Avg.
76°
56°
29
Hist. Avg.
76°
56°
30
Hist. Avg.
75°
56°
1
Hist. Avg.
75°
55°
2
Hist. Avg.
75°
55°
3
Hist. Avg.
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Startown
Startown's September 2026 forecast shows daily high temperatures ranging from 78° to 86°, with overnight lows between 62° and 67°. The average high for September is 83° with an average low of 64°. 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 Startown. See also: October | November | December.