S
M
T
W
T
F
S
30
92°
71°
31
89°
63°
1
89°
66°
2
90°
64°
3
94°
71°
4
97°
64°
5
88°
68°
6
80°
67°
7
86°
68°
8
84°
57°
9
81°
53°
10
86°
64°
11
93°
55°
12
75°
54°
13
66°
55°
14
68°
49°
15
71°
50°
16
74°
52°
17
73°
47°
18
74°
50°
19
77°
52°
20
78°
50°
21
77°
49°
22
83°
58°
23
81°
57°
24
82°
56°
25
76°
56°
26
71°
55°
27
80°
56°
28
80°
55°
29
76°
52°
30
69°
46°
1
64°
45°
2
64°
41°
3
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Armour
Armour's September 2026 forecast shows daily high temperatures ranging from 63° to 93°, with overnight lows between 40° and 64°. The average high for September is 76° 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 Armour. See also: October | November | December.