S
M
T
W
T
F
S
30
68°
55°
31
68°
55°
1
67°
54°
2
63°
51°
3
62°
50°
4
63°
50°
5
62°
51°
6
66°
55°
7
67°
54°
8
67°
49°
9
66°
55°
10
68°
54°
11
66°
53°
12
62°
52°
13
64°
51°
14
63°
48°
15
61°
48°
16
61°
47°
17
62°
49°
18
61°
48°
19
61°
48°
20
60°
47°
21
60°
48°
22
61°
53°
23
63°
52°
24
64°
47°
25
62°
47°
26
61°
48°
27
60°
50°
28
59°
51°
29
60°
49°
30
58°
46°
1
58°
45°
2
59°
44°
3
57°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nunthorpe
Nunthorpe's September 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 44° and 55°. The average high for September is 63° 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 Nunthorpe. See also: October | November | December.