S
M
T
W
T
F
S
30
80°
67°
31
86°
58°
1
83°
59°
2
82°
47°
3
80°
51°
4
83°
56°
5
86°
64°
6
84°
63°
7
79°
67°
8
81°
62°
9
75°
53°
10
86°
53°
11
78°
52°
12
67°
46°
13
67°
41°
14
61°
42°
15
71°
43°
16
70°
49°
17
67°
48°
18
71°
53°
19
69°
50°
20
69°
47°
21
70°
47°
22
70°
52°
23
70°
48°
24
72°
51°
25
71°
54°
26
75°
54°
27
73°
52°
28
69°
46°
29
64°
40°
30
66°
46°
1
68°
46°
2
58°
46°
3
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gilby
Gilby's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 40° and 54°. The average high for September is 69° with an average low of 49°. 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 Gilby. See also: October | November | December.
