S
M
T
W
T
F
S
30
82°
62°
31
82°
65°
1
85°
65°
2
82°
57°
3
81°
55°
4
78°
56°
5
79°
56°
6
80°
57°
7
83°
58°
8
85°
63°
9
85°
63°
10
83°
55°
11
79°
58°
12
81°
61°
13
80°
54°
14
78°
53°
15
77°
52°
16
76°
53°
17
77°
56°
18
80°
57°
19
81°
59°
20
81°
59°
21
83°
58°
22
81°
59°
23
81°
59°
24
77°
58°
25
79°
58°
26
81°
57°
27
82°
57°
28
82°
56°
29
81°
56°
30
82°
55°
1
81°
56°
2
81°
48°
3
80°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ellis Grove
Ellis Grove's September 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 46° and 65°. The average high for September is 81° with an average low of 57°. 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 Ellis Grove. See also: October | November | December.