S
M
T
W
T
F
S
30
68°
63°
31
76°
63°
1
88°
70°
2
85°
67°
3
83°
65°
4
74°
64°
5
78°
59°
6
76°
56°
7
76°
55°
8
77°
54°
9
75°
65°
10
76°
58°
11
74°
51°
12
78°
53°
13
76°
49°
14
67°
49°
15
73°
62°
16
77°
58°
17
72°
53°
18
71°
51°
19
66°
51°
20
66°
48°
21
69°
47°
22
66°
46°
23
66°
47°
24
69°
48°
25
71°
49°
26
70°
44°
27
70°
50°
28
70°
50°
29
68°
48°
30
65°
49°
1
66°
49°
2
68°
48°
3
65°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Norwich
Norwich's September 2026 forecast shows daily high temperatures ranging from 65° to 77°, with overnight lows between 44° and 62°. The average high for September is 69° 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 Norwich. See also: October | November | December.
