S
M
T
W
T
F
S
30
73°
62°
31
75°
59°
1
73°
54°
2
70°
60°
3
79°
66°
4
72°
57°
5
73°
55°
6
79°
57°
7
77°
59°
8
64°
55°
9
68°
54°
10
70°
55°
11
70°
59°
12
N/A
13
76°
62°
14
77°
62°
15
73°
53°
16
68°
55°
17
68°
51°
18
67°
59°
19
69°
54°
20
68°
55°
21
70°
56°
22
66°
53°
23
66°
52°
24
65°
53°
25
67°
48°
26
67°
50°
27
66°
49°
28
67°
50°
29
66°
49°
30
66°
47°
1
65°
46°
2
65°
49°
3
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Gillingham
Gillingham's September 2026 forecast shows daily high temperatures ranging from 64° to 77°, with overnight lows between 46° and 62°. The average high for September is 68° with an average low of 52°. 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 Gillingham. See also: October | November | December.
