S
M
T
W
T
F
S
30
99°
79°
31
99°
78°
1
97°
77°
2
96°
77°
3
97°
78°
4
97°
77°
5
96°
77°
6
96°
76°
7
95°
76°
8
96°
75°
9
95°
75°
10
96°
76°
11
96°
76°
12
95°
75°
13
94°
75°
14
96°
73°
15
96°
72°
16
95°
71°
17
94°
72°
18
84°
69°
19
88°
70°
20
92°
69°
21
90°
68°
22
87°
61°
23
83°
60°
24
83°
65°
25
87°
68°
26
90°
67°
27
91°
68°
28
90°
68°
29
89°
67°
30
87°
66°
1
87°
59°
2
81°
57°
3
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Haslet
Haslet's September 2026 forecast shows daily high temperatures ranging from 78° to 99°, with overnight lows between 57° and 79°. The average high for September is 92° with an average low of 71°. 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 Haslet. See also: October | November | December.
