S
M
T
W
T
F
S
30
68°
47°
31
66°
52°
1
66°
52°
2
62°
50°
3
66°
51°
4
62°
49°
5
63°
48°
6
63°
49°
7
64°
50°
8
63°
48°
9
64°
49°
10
65°
46°
11
64°
49°
12
64°
47°
13
63°
50°
14
60°
47°
15
60°
45°
16
59°
45°
17
59°
44°
18
60°
45°
19
58°
46°
20
59°
45°
21
59°
44°
22
60°
45°
23
60°
46°
24
59°
45°
25
58°
46°
26
61°
48°
27
61°
47°
28
Hist. Avg.
60°
47°
29
Hist. Avg.
60°
47°
30
Hist. Avg.
60°
47°
1
Hist. Avg.
59°
47°
2
Hist. Avg.
59°
47°
3
Hist. Avg.
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clawthorpe
Clawthorpe's September 2026 forecast shows daily high temperatures ranging from 58° to 68°, with overnight lows between 44° and 52°. The average high for September is 62° with an average low of 47°. 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 Clawthorpe. See also: October | November | December.