S
M
T
W
T
F
S
30
72°
55°
31
68°
50°
1
69°
56°
2
65°
60°
3
70°
57°
4
66°
52°
5
65°
54°
6
68°
58°
7
66°
52°
8
64°
53°
9
64°
51°
10
63°
49°
11
63°
50°
12
62°
49°
13
63°
51°
14
63°
49°
15
64°
53°
16
61°
51°
17
62°
54°
18
63°
53°
19
63°
51°
20
59°
48°
21
60°
53°
22
63°
53°
23
63°
51°
24
60°
50°
25
62°
51°
26
61°
49°
27
62°
51°
28
62°
51°
29
61°
52°
30
62°
52°
1
62°
51°
2
61°
51°
3
61°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sunderland
Sunderland's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 48° and 60°. The average high for September is 63° with an average low of 52°. 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 Sunderland. See also: October | November | December.
