S
M
T
W
T
F
S
30
98°
74°
31
99°
73°
1
99°
74°
2
102°
76°
3
94°
77°
4
90°
77°
5
98°
74°
6
95°
75°
7
96°
76°
8
98°
75°
9
98°
74°
10
100°
73°
11
102°
75°
12
104°
74°
13
101°
73°
14
97°
72°
15
93°
72°
16
96°
71°
17
98°
70°
18
96°
72°
19
91°
65°
20
93°
69°
21
93°
69°
22
93°
69°
23
92°
68°
24
87°
68°
25
84°
67°
26
89°
67°
27
88°
66°
28
88°
67°
29
87°
67°
30
86°
63°
1
83°
57°
2
80°
57°
3
80°
56°
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 80° to 104°, with overnight lows between 56° and 76°. The average high for September is 92° with an average low of 69°. 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.
