S
M
T
W
T
F
S
30
71°
60°
31
68°
57°
1
72°
58°
2
68°
62°
3
72°
62°
4
67°
52°
5
68°
53°
6
72°
57°
7
68°
54°
8
68°
55°
9
68°
53°
10
66°
51°
11
65°
51°
12
66°
50°
13
67°
52°
14
65°
49°
15
66°
52°
16
63°
49°
17
63°
53°
18
66°
53°
19
66°
52°
20
61°
47°
21
62°
52°
22
65°
52°
23
66°
49°
24
61°
47°
25
64°
49°
26
63°
49°
27
64°
50°
28
64°
50°
29
63°
52°
30
64°
52°
1
64°
51°
2
63°
50°
3
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Armthorpe
Armthorpe's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 47° and 62°. The average high for September is 66° 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 Armthorpe. See also: October | November | December.
