S
M
T
W
T
F
S
30
92°
66°
31
92°
67°
1
93°
66°
2
93°
66°
3
92°
65°
4
92°
66°
5
93°
64°
6
93°
60°
7
91°
62°
8
90°
63°
9
89°
63°
10
92°
62°
11
90°
55°
12
87°
60°
13
82°
63°
14
90°
62°
15
91°
52°
16
90°
51°
17
79°
52°
18
78°
52°
19
80°
50°
20
79°
49°
21
77°
49°
22
78°
50°
23
79°
51°
24
80°
52°
25
79°
56°
26
85°
56°
27
86°
58°
28
85°
53°
29
86°
49°
30
78°
52°
1
77°
53°
2
85°
54°
3
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clarendon
Clarendon's September 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 49° and 67°. The average high for September is 86° with an average low of 57°. 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.
