S
M
T
W
T
F
S
30
95°
71°
31
96°
70°
1
95°
70°
2
94°
66°
3
93°
65°
4
91°
69°
5
93°
68°
6
92°
69°
7
93°
68°
8
92°
69°
9
92°
69°
10
93°
68°
11
92°
67°
12
89°
66°
13
85°
67°
14
85°
67°
15
86°
66°
16
85°
66°
17
85°
65°
18
84°
60°
19
84°
58°
20
82°
57°
21
82°
58°
22
83°
62°
23
86°
64°
24
87°
63°
25
88°
64°
26
87°
61°
27
84°
62°
28
81°
60°
29
85°
57°
30
79°
60°
1
Hist. Avg.
81°
55°
2
Hist. Avg.
80°
54°
3
Hist. Avg.
80°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in De Gray
De Gray's September 2026 forecast shows daily high temperatures ranging from 79° to 96°, with overnight lows between 57° and 71°. The average high for September is 88° with an average low of 65°. 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 De Gray. See also: October | November | December.
