S
M
T
W
T
F
S
30
90°
66°
31
89°
65°
1
85°
65°
2
85°
68°
3
84°
66°
4
85°
67°
5
87°
68°
6
88°
69°
7
89°
64°
8
85°
63°
9
83°
63°
10
86°
62°
11
84°
63°
12
85°
66°
13
87°
67°
14
83°
62°
15
81°
61°
16
Hist. Avg.
83°
64°
17
Hist. Avg.
83°
63°
18
Hist. Avg.
83°
63°
19
Hist. Avg.
82°
62°
20
Hist. Avg.
82°
62°
21
Hist. Avg.
82°
62°
22
Hist. Avg.
82°
61°
23
Hist. Avg.
81°
61°
24
Hist. Avg.
81°
61°
25
Hist. Avg.
80°
60°
26
Hist. Avg.
80°
60°
27
Hist. Avg.
80°
60°
28
Hist. Avg.
80°
59°
29
Hist. Avg.
79°
59°
30
Hist. Avg.
79°
58°
1
Hist. Avg.
79°
58°
2
Hist. Avg.
78°
57°
3
Hist. Avg.
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Clarendon
Clarendon's September 2026 forecast shows daily high temperatures ranging from 81° to 90°, with overnight lows between 61° and 69°. The average high for September is 86° with an average low of 65°. 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 Clarendon. See also: October | November | December.
