S
M
T
W
T
F
S
30
75°
61°
31
72°
57°
1
73°
54°
2
70°
57°
3
77°
64°
4
69°
57°
5
70°
55°
6
77°
55°
7
75°
61°
8
64°
55°
9
66°
52°
10
N/A
11
64°
48°
12
66°
56°
13
67°
52°
14
68°
54°
15
61°
50°
16
66°
54°
17
65°
51°
18
66°
50°
19
67°
50°
20
69°
50°
21
69°
50°
22
67°
51°
23
69°
50°
24
68°
49°
25
64°
48°
26
64°
48°
27
65°
50°
28
65°
44°
29
60°
43°
30
59°
43°
1
59°
48°
2
64°
49°
3
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Somersham
Somersham's September 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 43° and 56°. The average high for September is 65° 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 Somersham. See also: October | November | December.