S
M
T
W
T
F
S
30
103°
76°
31
104°
78°
1
103°
77°
2
105°
77°
3
106°
79°
4
104°
79°
5
99°
77°
6
101°
74°
7
103°
78°
8
104°
78°
9
103°
78°
10
103°
77°
11
105°
79°
12
105°
79°
13
104°
79°
14
103°
79°
15
104°
78°
16
102°
77°
17
100°
78°
18
94°
79°
19
98°
76°
20
99°
76°
21
100°
77°
22
99°
75°
23
99°
74°
24
97°
76°
25
98°
73°
26
97°
74°
27
99°
75°
28
99°
77°
29
98°
77°
30
95°
69°
1
95°
64°
2
90°
65°
3
91°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pearsall
Pearsall's September 2026 forecast shows daily high temperatures ranging from 90° to 99°, with overnight lows between 64° and 77°. The average high for September is 96° 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 Pearsall. See also: October | November | December.
