S
M
T
W
T
F
S
30
97°
69°
31
94°
70°
1
94°
72°
2
97°
73°
3
100°
71°
4
100°
71°
5
96°
72°
6
94°
71°
7
94°
71°
8
95°
71°
9
99°
71°
10
93°
69°
11
97°
72°
12
101°
73°
13
96°
69°
14
96°
67°
15
85°
61°
16
84°
62°
17
83°
59°
18
82°
62°
19
81°
60°
20
80°
59°
21
82°
56°
22
82°
61°
23
80°
61°
24
75°
60°
25
78°
60°
26
80°
59°
27
79°
60°
28
77°
59°
29
75°
51°
30
81°
48°
1
71°
47°
2
72°
48°
3
71°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Shallowater
Shallowater's September 2026 forecast shows daily high temperatures ranging from 71° to 101°, with overnight lows between 47° and 73°. The average high for September is 84° with an average low of 60°. 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 Shallowater. See also: October | November | December.
