S
M
T
W
T
F
S
30
93°
68°
31
94°
70°
1
92°
71°
2
92°
65°
3
91°
64°
4
90°
65°
5
90°
65°
6
91°
69°
7
93°
70°
8
95°
70°
9
93°
69°
10
95°
69°
11
95°
68°
12
91°
69°
13
93°
69°
14
96°
63°
15
89°
62°
16
90°
63°
17
89°
62°
18
88°
63°
19
90°
65°
20
91°
66°
21
87°
66°
22
87°
65°
23
88°
66°
24
87°
66°
25
86°
65°
26
86°
65°
27
88°
64°
28
86°
65°
29
87°
65°
30
86°
64°
1
86°
63°
2
89°
62°
3
90°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bastrop
Bastrop's September 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 58° and 71°. The average high for September is 90° 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 Bastrop. See also: October | November | December.
