S
M
T
W
T
F
S
30
84°
62°
31
81°
59°
1
81°
60°
2
82°
61°
3
85°
65°
4
85°
58°
5
84°
57°
6
77°
57°
7
79°
60°
8
80°
57°
9
79°
55°
10
82°
57°
11
83°
54°
12
77°
54°
13
76°
53°
14
77°
54°
15
78°
55°
16
81°
54°
17
82°
56°
18
82°
59°
19
83°
61°
20
Hist. Avg.
78°
57°
21
Hist. Avg.
77°
56°
22
Hist. Avg.
77°
56°
23
Hist. Avg.
76°
56°
24
Hist. Avg.
76°
55°
25
Hist. Avg.
76°
55°
26
Hist. Avg.
75°
54°
27
Hist. Avg.
75°
54°
28
Hist. Avg.
75°
54°
29
Hist. Avg.
74°
53°
30
Hist. Avg.
74°
53°
1
Hist. Avg.
74°
52°
2
Hist. Avg.
73°
52°
3
Hist. Avg.
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Osawatomie
Osawatomie's September 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 53° and 65°. The average high for September is 81° with an average low of 58°. 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 Osawatomie. See also: October | November | December.
