S
M
T
W
T
F
S
30
94°
69°
31
95°
74°
1
97°
74°
2
98°
77°
3
99°
77°
4
100°
78°
5
96°
76°
6
87°
70°
7
87°
62°
8
92°
71°
9
95°
77°
10
80°
74°
11
82°
72°
12
88°
74°
13
93°
71°
14
83°
64°
15
96°
75°
16
97°
75°
17
97°
74°
18
91°
72°
19
91°
70°
20
93°
71°
21
86°
68°
22
82°
65°
23
76°
62°
24
80°
62°
25
81°
63°
26
80°
62°
27
82°
63°
28
82°
63°
29
81°
63°
30
82°
64°
1
82°
63°
2
81°
63°
3
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Churchill Downs
Churchill Downs's September 2026 forecast shows daily high temperatures ranging from 76° to 97°, with overnight lows between 62° and 75°. The average high for September is 85° with an average low of 66°. 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 Churchill Downs. See also: October | November | December.
