S
M
T
W
T
F
S
30
91°
70°
31
93°
70°
1
93°
68°
2
93°
69°
3
95°
69°
4
94°
68°
5
88°
66°
6
88°
64°
7
84°
61°
8
86°
62°
9
87°
60°
10
86°
59°
11
85°
56°
12
83°
59°
13
84°
60°
14
79°
60°
15
79°
59°
16
75°
59°
17
75°
58°
18
79°
58°
19
81°
57°
20
81°
58°
21
80°
57°
22
81°
55°
23
81°
56°
24
80°
57°
25
81°
56°
26
80°
55°
27
79°
56°
28
79°
55°
29
80°
54°
30
79°
54°
1
78°
53°
2
78°
53°
3
77°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stearns
Stearns's September 2026 forecast shows daily high temperatures ranging from 75° to 95°, with overnight lows between 52° and 69°. The average high for September is 83° with an average low of 59°. 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 Stearns. See also: October | November | December.