S
M
T
W
T
F
S
30
70°
56°
31
74°
56°
1
75°
55°
2
75°
54°
3
71°
53°
4
72°
55°
5
73°
50°
6
73°
52°
7
71°
53°
8
72°
53°
9
70°
52°
10
67°
50°
11
67°
48°
12
68°
47°
13
66°
48°
14
66°
52°
15
67°
53°
16
70°
51°
17
69°
52°
18
70°
50°
19
71°
47°
20
65°
51°
21
66°
48°
22
66°
46°
23
64°
46°
24
64°
50°
25
65°
51°
26
66°
50°
27
68°
46°
28
66°
44°
29
64°
44°
30
64°
45°
1
63°
43°
2
62°
45°
3
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Witham
Witham's September 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 43° and 56°. The average high for September is 68° with an average low of 50°. 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 Witham. See also: October | November | December.
