S
M
T
W
T
F
S
30
82°
63°
31
83°
66°
1
87°
66°
2
88°
68°
3
87°
68°
4
87°
62°
5
82°
61°
6
82°
61°
7
83°
62°
8
83°
66°
9
82°
65°
10
81°
66°
11
85°
65°
12
86°
66°
13
86°
66°
14
85°
65°
15
86°
66°
16
85°
66°
17
84°
65°
18
84°
62°
19
83°
62°
20
83°
57°
21
78°
61°
22
77°
62°
23
78°
60°
24
82°
56°
25
80°
55°
26
77°
61°
27
79°
60°
28
75°
55°
29
80°
58°
30
79°
59°
1
80°
57°
2
79°
58°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Claybourne
Claybourne's September 2026 forecast shows daily high temperatures ranging from 73° to 88°, with overnight lows between 55° and 68°. The average high for September is 82° with an average low of 62°. 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 Claybourne. See also: October | November | December.
