S
M
T
W
T
F
S
30
83°
59°
31
81°
52°
1
79°
53°
2
82°
59°
3
77°
61°
4
90°
55°
5
91°
68°
6
82°
66°
7
88°
64°
8
76°
54°
9
74°
47°
10
89°
49°
11
74°
46°
12
64°
45°
13
59°
48°
14
60°
42°
15
66°
44°
16
67°
46°
17
64°
42°
18
70°
46°
19
69°
45°
20
71°
46°
21
73°
44°
22
77°
52°
23
76°
50°
24
67°
49°
25
73°
49°
26
73°
50°
27
74°
50°
28
74°
48°
29
64°
47°
30
59°
43°
1
59°
43°
2
58°
39°
3
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Washburn
Washburn's September 2026 forecast shows daily high temperatures ranging from 58° to 89°, with overnight lows between 39° and 54°. The average high for September is 69° with an average low of 46°. 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 Washburn. See also: October | November | December.
