S
M
T
W
T
F
S
30
87°
71°
31
94°
71°
1
98°
73°
2
100°
73°
3
101°
72°
4
97°
73°
5
99°
71°
6
88°
67°
7
86°
67°
8
90°
66°
9
89°
66°
10
94°
67°
11
93°
66°
12
91°
66°
13
90°
66°
14
89°
65°
15
90°
65°
16
87°
63°
17
84°
66°
18
80°
66°
19
81°
65°
20
83°
66°
21
82°
66°
22
84°
65°
23
85°
66°
24
81°
65°
25
80°
65°
26
84°
64°
27
84°
64°
28
83°
57°
29
76°
55°
30
76°
55°
1
78°
60°
2
79°
61°
3
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Darlington Raceway
Darlington Raceway's September 2026 forecast shows daily high temperatures ranging from 76° to 101°, with overnight lows between 55° and 73°. 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 Darlington Raceway. See also: October | November | December.
