S
M
T
W
T
F
S
30
73°
59°
31
72°
55°
1
70°
54°
2
68°
59°
3
77°
64°
4
68°
55°
5
72°
52°
6
79°
55°
7
73°
61°
8
63°
54°
9
64°
48°
10
64°
50°
11
70°
55°
12
70°
52°
13
68°
63°
14
72°
63°
15
70°
55°
16
68°
52°
17
68°
52°
18
64°
50°
19
70°
61°
20
68°
48°
21
73°
46°
22
N/A
23
72°
52°
24
70°
46°
25
73°
50°
26
68°
48°
27
68°
48°
28
66°
50°
29
77°
59°
30
72°
52°
1
66°
52°
2
68°
52°
3
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Basingstoke
Basingstoke's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Basingstoke. See also: October | November | December.