S
M
T
W
T
F
S
30
72°
53°
31
73°
54°
1
71°
53°
2
70°
52°
3
71°
53°
4
71°
50°
5
70°
49°
6
70°
49°
7
69°
51°
8
69°
51°
9
68°
50°
10
69°
51°
11
70°
52°
12
71°
51°
13
69°
47°
14
69°
49°
15
68°
51°
16
68°
51°
17
69°
49°
18
64°
49°
19
65°
45°
20
65°
50°
21
66°
48°
22
67°
49°
23
Hist. Avg.
63°
49°
24
Hist. Avg.
63°
49°
25
Hist. Avg.
63°
49°
26
Hist. Avg.
62°
48°
27
Hist. Avg.
62°
48°
28
Hist. Avg.
62°
48°
29
Hist. Avg.
62°
48°
30
Hist. Avg.
61°
48°
1
Hist. Avg.
61°
48°
2
Hist. Avg.
61°
47°
3
Hist. Avg.
60°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Longstanton
Longstanton's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 45° and 54°. 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 Longstanton. See also: October | November | December.
