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°
54°
6
78°
60°
7
75°
57°
8
70°
50°
9
68°
51°
10
68°
57°
11
72°
53°
12
64°
50°
13
66°
53°
14
67°
55°
15
69°
55°
16
70°
54°
17
68°
53°
18
65°
47°
19
66°
47°
20
67°
52°
21
69°
52°
22
69°
51°
23
68°
51°
24
68°
50°
25
67°
47°
26
65°
47°
27
65°
48°
28
64°
49°
29
64°
48°
30
66°
48°
1
65°
43°
2
64°
48°
3
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Basildon
Basildon's September 2026 forecast shows daily high temperatures ranging from 64° to 78°, with overnight lows between 43° and 60°. The average high for September is 68° with an average low of 51°. 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 Basildon. See also: October | November | December.
