S
M
T
W
T
F
S
30
66°
44°
31
67°
52°
1
70°
43°
2
67°
45°
3
66°
42°
4
66°
43°
5
66°
47°
6
65°
46°
7
64°
47°
8
70°
45°
9
73°
45°
10
70°
48°
11
71°
48°
12
70°
47°
13
71°
49°
14
71°
49°
15
72°
50°
16
70°
45°
17
71°
38°
18
68°
36°
19
59°
37°
20
Hist. Avg.
62°
40°
21
Hist. Avg.
62°
39°
22
Hist. Avg.
61°
39°
23
Hist. Avg.
61°
38°
24
Hist. Avg.
60°
38°
25
Hist. Avg.
60°
38°
26
Hist. Avg.
60°
37°
27
Hist. Avg.
59°
37°
28
Hist. Avg.
59°
36°
29
Hist. Avg.
58°
36°
30
Hist. Avg.
58°
36°
1
Hist. Avg.
57°
35°
2
Hist. Avg.
57°
35°
3
Hist. Avg.
56°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rolla
Rolla's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 36° and 52°. The average high for September is 68° with an average low of 45°. 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 Rolla. See also: October | November | December.
