S
M
T
W
T
F
S
30
99°
70°
31
99°
70°
1
98°
69°
2
97°
69°
3
97°
68°
4
98°
70°
5
98°
69°
6
93°
68°
7
90°
68°
8
91°
67°
9
91°
67°
10
92°
66°
11
93°
66°
12
94°
67°
13
94°
68°
14
96°
64°
15
96°
66°
16
95°
66°
17
94°
65°
18
96°
67°
19
95°
62°
20
93°
59°
21
90°
59°
22
91°
62°
23
93°
63°
24
91°
61°
25
91°
60°
26
92°
62°
27
90°
63°
28
91°
58°
29
90°
57°
30
90°
57°
1
91°
58°
2
91°
58°
3
92°
59°
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 57° and 70°. The average high for September is 93° with an average low of 64°. 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.
