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
92°
72°
11
94°
74°
12
89°
73°
13
91°
73°
14
94°
73°
15
91°
68°
16
89°
65°
17
90°
69°
18
86°
67°
19
84°
65°
20
83°
63°
21
77°
61°
22
79°
62°
23
81°
63°
24
82°
62°
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 77° to 94°, with overnight lows between 61° and 74°. 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 St. Matthews. See also: October | November | December.
