S
M
T
W
T
F
S
30
78°
50°
31
81°
51°
1
84°
50°
2
75°
50°
3
77°
49°
4
80°
47°
5
77°
44°
6
75°
45°
7
75°
43°
8
79°
50°
9
82°
51°
10
82°
45°
11
80°
48°
12
78°
46°
13
79°
47°
14
78°
46°
15
79°
47°
16
78°
42°
17
68°
39°
18
67°
41°
19
64°
34°
20
74°
44°
21
75°
41°
22
Hist. Avg.
70°
40°
23
Hist. Avg.
70°
39°
24
Hist. Avg.
69°
39°
25
Hist. Avg.
69°
39°
26
Hist. Avg.
68°
38°
27
Hist. Avg.
68°
38°
28
Hist. Avg.
67°
38°
29
Hist. Avg.
67°
37°
30
Hist. Avg.
66°
37°
1
Hist. Avg.
66°
36°
2
Hist. Avg.
65°
36°
3
Hist. Avg.
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lolo
Lolo's September 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 34° and 51°. The average high for September is 77° with an average low of 46°. 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.
