S
M
T
W
T
F
S
30
68°
52°
31
68°
52°
1
67°
50°
2
68°
51°
3
67°
50°
4
67°
49°
5
68°
52°
6
67°
47°
7
67°
52°
8
68°
50°
9
69°
51°
10
70°
50°
11
65°
52°
12
66°
48°
13
69°
50°
14
69°
48°
15
68°
45°
16
64°
49°
17
67°
47°
18
68°
48°
19
67°
51°
20
68°
52°
21
68°
51°
22
67°
50°
23
66°
50°
24
65°
49°
25
65°
50°
26
63°
48°
27
64°
49°
28
65°
48°
29
65°
48°
30
61°
42°
1
60°
48°
2
Hist. Avg.
60°
47°
3
Hist. Avg.
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Longthorpe
Longthorpe's September 2026 forecast shows daily high temperatures ranging from 60° to 70°, with overnight lows between 42° and 52°. The average high for September is 66° 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 Longthorpe. See also: October | November | December.
