S
M
T
W
T
F
S
30
75°
61°
31
73°
57°
1
72°
54°
2
70°
57°
3
75°
66°
4
70°
57°
5
68°
52°
6
77°
52°
7
75°
61°
8
63°
55°
9
64°
52°
10
70°
55°
11
66°
57°
12
72°
55°
13
70°
59°
14
75°
63°
15
72°
55°
16
68°
54°
17
66°
54°
18
68°
52°
19
72°
61°
20
66°
52°
21
70°
48°
22
75°
52°
23
73°
48°
24
66°
45°
25
72°
52°
26
68°
48°
27
73°
45°
28
64°
55°
29
73°
61°
30
73°
63°
1
70°
50°
2
70°
46°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dereham
Dereham'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 Dereham. See also: October | November | December.
