S
M
T
W
T
F
S
30
Hist. Avg.
73°
47°
31
Hist. Avg.
73°
47°
1
Hist. Avg.
72°
46°
2
Hist. Avg.
72°
46°
3
Hist. Avg.
71°
46°
4
Hist. Avg.
71°
46°
5
Hist. Avg.
71°
45°
6
Hist. Avg.
70°
45°
7
Hist. Avg.
70°
45°
8
Hist. Avg.
69°
45°
9
Hist. Avg.
69°
44°
10
Hist. Avg.
69°
44°
11
Hist. Avg.
68°
44°
12
Hist. Avg.
68°
44°
13
Hist. Avg.
67°
43°
14
Hist. Avg.
67°
43°
15
Hist. Avg.
67°
43°
16
Hist. Avg.
66°
42°
17
Hist. Avg.
66°
42°
18
Hist. Avg.
65°
42°
19
Hist. Avg.
65°
42°
20
Hist. Avg.
64°
41°
21
Hist. Avg.
64°
41°
22
Hist. Avg.
64°
41°
23
Hist. Avg.
63°
41°
24
Hist. Avg.
63°
40°
25
Hist. Avg.
62°
40°
26
Hist. Avg.
62°
40°
27
Hist. Avg.
61°
40°
28
Hist. Avg.
61°
39°
29
Hist. Avg.
60°
39°
30
Hist. Avg.
60°
39°
1
Hist. Avg.
60°
39°
2
Hist. Avg.
59°
38°
3
Hist. Avg.
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Armstrong
Armstrong's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Armstrong. See also: October | November | December.
