S
M
T
W
T
F
S
30
71°
42°
31
82°
37°
1
88°
45°
2
66°
46°
3
66°
45°
4
68°
49°
5
75°
49°
6
69°
54°
7
59°
47°
8
62°
45°
9
76°
48°
10
79°
50°
11
70°
50°
12
64°
43°
13
66°
44°
14
70°
41°
15
75°
44°
16
74°
43°
17
74°
44°
18
71°
43°
19
70°
43°
20
72°
42°
21
77°
48°
22
69°
47°
23
67°
43°
24
73°
46°
25
75°
47°
26
75°
46°
27
66°
46°
28
61°
36°
29
59°
33°
30
59°
34°
1
60°
34°
2
64°
38°
3
68°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arlee
Arlee's September 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 33° and 50°. The average high for September is 69° with an average low of 43°. 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 Arlee. See also: October | November | December.
