S
M
T
W
T
F
S
30
86°
69°
31
87°
68°
1
86°
69°
2
87°
67°
3
85°
65°
4
84°
67°
5
85°
68°
6
88°
69°
7
90°
70°
8
89°
69°
9
84°
71°
10
86°
72°
11
90°
72°
12
91°
71°
13
91°
72°
14
90°
71°
15
90°
71°
16
89°
70°
17
90°
67°
18
89°
68°
19
84°
70°
20
87°
68°
21
88°
60°
22
81°
59°
23
84°
67°
24
87°
68°
25
Hist. Avg.
81°
62°
26
Hist. Avg.
81°
61°
27
Hist. Avg.
80°
61°
28
Hist. Avg.
80°
60°
29
Hist. Avg.
80°
60°
30
Hist. Avg.
80°
60°
1
Hist. Avg.
79°
59°
2
Hist. Avg.
79°
59°
3
Hist. Avg.
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Southmayd
Southmayd's September 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 59° and 72°. The average high for September is 87° with an average low of 68°. 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 Southmayd. See also: October | November | December.