S
M
T
W
T
F
S
30
95°
69°
31
97°
73°
1
96°
73°
2
96°
75°
3
98°
72°
4
98°
73°
5
99°
74°
6
94°
73°
7
90°
68°
8
97°
74°
9
98°
70°
10
78°
61°
11
84°
68°
12
88°
70°
13
91°
71°
14
91°
63°
15
81°
57°
16
78°
60°
17
79°
57°
18
76°
56°
19
74°
55°
20
75°
54°
21
79°
57°
22
83°
62°
23
83°
63°
24
84°
63°
25
84°
62°
26
83°
63°
27
83°
63°
28
82°
62°
29
83°
63°
30
81°
59°
1
79°
55°
2
68°
50°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rolla
Rolla's September 2026 forecast shows daily high temperatures ranging from 68° to 98°, with overnight lows between 48° and 74°. The average high for September is 82° with an average low of 61°. 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.
