S
M
T
W
T
F
S
30
88°
79°
31
88°
77°
1
88°
79°
2
88°
75°
3
91°
75°
4
90°
77°
5
90°
75°
6
91°
73°
7
91°
81°
8
91°
77°
9
91°
77°
10
82°
76°
11
88°
74°
12
86°
74°
13
89°
75°
14
90°
74°
15
92°
74°
16
88°
75°
17
90°
74°
18
89°
71°
19
88°
69°
20
86°
69°
21
87°
68°
22
85°
69°
23
87°
69°
24
86°
68°
25
87°
72°
26
84°
71°
27
84°
71°
28
85°
70°
29
86°
71°
30
86°
71°
1
85°
70°
2
84°
70°
3
83°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mathews
Mathews's September 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 68° and 75°. The average high for September is 87° with an average low of 71°. 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 Mathews. See also: October | November | December.