S
M
T
W
T
F
S
30
80°
63°
31
83°
67°
1
86°
60°
2
84°
61°
3
79°
60°
4
80°
61°
5
80°
68°
6
84°
67°
7
86°
66°
8
80°
66°
9
78°
65°
10
82°
65°
11
83°
64°
12
81°
65°
13
80°
63°
14
77°
58°
15
76°
58°
16
76°
57°
17
77°
57°
18
75°
62°
19
79°
63°
20
80°
64°
21
81°
60°
22
77°
56°
23
74°
61°
24
73°
62°
25
79°
56°
26
73°
59°
27
77°
60°
28
78°
59°
29
74°
59°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
73°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Gibbstown
Gibbstown's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 68°. The average high for September is 79° with an average low of 62°. 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 Gibbstown. See also: October | November | December.