S
M
T
W
T
F
S
30
67°
43°
31
69°
47°
1
75°
43°
2
69°
42°
3
68°
42°
4
69°
44°
5
69°
47°
6
68°
42°
7
69°
48°
8
74°
47°
9
74°
48°
10
73°
48°
11
74°
49°
12
74°
47°
13
73°
48°
14
73°
48°
15
74°
47°
16
73°
38°
17
72°
34°
18
63°
33°
19
60°
35°
20
Hist. Avg.
64°
39°
21
Hist. Avg.
63°
39°
22
Hist. Avg.
63°
38°
23
Hist. Avg.
63°
38°
24
Hist. Avg.
62°
38°
25
Hist. Avg.
62°
38°
26
Hist. Avg.
62°
37°
27
Hist. Avg.
61°
37°
28
Hist. Avg.
61°
37°
29
Hist. Avg.
61°
36°
30
Hist. Avg.
60°
36°
1
Hist. Avg.
60°
36°
2
Hist. Avg.
60°
35°
3
Hist. Avg.
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Osage
Osage's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 33° and 49°. The average high for September is 70° with an average low of 44°. 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 Osage. See also: October | November | December.
