S
M
T
W
T
F
S
30
93°
77°
31
95°
76°
1
96°
78°
2
98°
81°
3
97°
82°
4
96°
78°
5
94°
78°
6
N/A
7
93°
75°
8
93°
75°
9
91°
74°
10
94°
76°
11
92°
77°
12
91°
78°
13
90°
78°
14
91°
75°
15
91°
74°
16
90°
72°
17
90°
73°
18
91°
72°
19
89°
71°
20
87°
62°
21
87°
75°
22
88°
75°
23
86°
74°
24
84°
75°
25
84°
75°
26
85°
74°
27
85°
75°
28
86°
75°
29
86°
74°
30
84°
69°
1
83°
66°
2
81°
67°
3
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Austwell
Austwell's September 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 62° and 78°. The average high for September is 88° with an average low of 73°. 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 Austwell. See also: October | November | December.