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°
73°
9
90°
69°
10
94°
74°
11
91°
72°
12
87°
72°
13
91°
73°
14
94°
73°
15
89°
68°
16
89°
65°
17
90°
69°
18
86°
67°
19
86°
63°
20
86°
64°
21
83°
64°
22
84°
63°
23
86°
62°
24
85°
66°
25
84°
63°
26
81°
62°
27
82°
63°
28
85°
65°
29
85°
65°
30
84°
64°
1
83°
65°
2
84°
63°
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 81° to 94°, with overnight lows between 62° and 74°. The average high for September is 86° 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 St. Matthews. See also: October | November | December.
