S
M
T
W
T
F
S
30
91°
72°
31
91°
72°
1
90°
71°
2
91°
71°
3
91°
70°
4
90°
71°
5
90°
70°
6
89°
70°
7
91°
69°
8
91°
70°
9
90°
70°
10
91°
69°
11
91°
70°
12
90°
69°
13
90°
70°
14
88°
66°
15
86°
66°
16
88°
66°
17
89°
65°
18
86°
64°
19
88°
64°
20
86°
65°
21
87°
63°
22
86°
64°
23
83°
63°
24
83°
62°
25
81°
62°
26
83°
61°
27
85°
62°
28
85°
62°
29
84°
61°
30
84°
61°
1
83°
52°
2
75°
49°
3
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gilmore
Gilmore's September 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 49° and 72°. The average high for September is 87° with an average low of 65°. 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 Gilmore. See also: October | November | December.