S
M
T
W
T
F
S
30
86°
67°
31
90°
67°
1
94°
71°
2
96°
72°
3
96°
72°
4
97°
74°
5
93°
70°
6
82°
70°
7
83°
65°
8
83°
62°
9
86°
60°
10
92°
69°
11
92°
69°
12
86°
72°
13
91°
72°
14
89°
69°
15
82°
66°
16
87°
61°
17
91°
63°
18
92°
71°
19
84°
70°
20
84°
71°
21
91°
67°
22
78°
60°
23
61°
56°
24
64°
51°
25
74°
47°
26
79°
47°
27
78°
51°
28
77°
53°
29
78°
55°
30
82°
58°
1
84°
56°
2
87°
57°
3
73°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clemmons
Clemmons's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Clemmons. See also: October | November | December.