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
61°
42°
8
64°
40°
9
77°
41°
10
80°
48°
11
72°
47°
12
65°
42°
13
64°
35°
14
72°
37°
15
74°
42°
16
76°
42°
17
73°
41°
18
70°
40°
19
69°
41°
20
71°
40°
21
76°
46°
22
68°
45°
23
66°
41°
24
71°
44°
25
74°
45°
26
74°
44°
27
64°
44°
28
60°
34°
29
58°
31°
30
58°
32°
1
59°
32°
2
62°
35°
3
67°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lolo
Lolo's September 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 31° and 48°. The average high for September is 68° with an average low of 40°. 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 Lolo. See also: October | November | December.
