S
M
T
W
T
F
S
30
81°
58°
31
80°
57°
1
80°
57°
2
81°
56°
3
80°
56°
4
81°
58°
5
81°
62°
6
80°
60°
7
82°
60°
8
79°
59°
9
78°
55°
10
83°
54°
11
78°
53°
12
78°
54°
13
79°
53°
14
77°
59°
15
83°
60°
16
84°
61°
17
83°
59°
18
82°
51°
19
79°
49°
20
75°
50°
21
73°
56°
22
76°
57°
23
80°
57°
24
79°
58°
25
80°
48°
26
79°
46°
27
70°
46°
28
69°
47°
29
70°
47°
30
70°
45°
1
Hist. Avg.
73°
48°
2
Hist. Avg.
72°
48°
3
Hist. Avg.
72°
48°
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 69° to 84°, with overnight lows between 45° and 62°. The average high for September is 78° with an average low of 55°. 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.
