S
M
T
W
T
F
S
30
87°
73°
31
93°
72°
1
96°
71°
2
97°
72°
3
96°
73°
4
96°
73°
5
98°
72°
6
95°
69°
7
71°
71°
8
89°
67°
9
91°
71°
10
90°
73°
11
91°
74°
12
90°
72°
13
89°
69°
14
92°
70°
15
91°
69°
16
92°
68°
17
86°
67°
18
86°
65°
19
82°
62°
20
83°
61°
21
80°
63°
22
87°
67°
23
86°
67°
24
85°
66°
25
85°
66°
26
86°
65°
27
87°
67°
28
86°
66°
29
85°
66°
30
85°
65°
1
84°
65°
2
83°
64°
3
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Matthews
St. Matthews's September 2026 forecast shows daily high temperatures ranging from 80° to 92°, with overnight lows between 61° and 74°. The average high for September is 87° with an average low of 67°. 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 St. Matthews. See also: October | November | December.
