S
M
T
W
T
F
S
30
91°
67°
31
91°
70°
1
90°
69°
2
89°
67°
3
86°
69°
4
89°
67°
5
89°
69°
6
90°
70°
7
91°
69°
8
90°
68°
9
90°
68°
10
89°
68°
11
89°
68°
12
88°
67°
13
88°
67°
14
85°
66°
15
84°
67°
16
84°
66°
17
85°
65°
18
84°
62°
19
83°
64°
20
83°
65°
21
82°
60°
22
82°
61°
23
83°
61°
24
84°
62°
25
85°
64°
26
86°
63°
27
86°
64°
28
82°
63°
29
83°
61°
30
84°
58°
1
Hist. Avg.
82°
58°
2
Hist. Avg.
82°
58°
3
Hist. Avg.
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rentz
Rentz's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 58° and 70°. The average high for September is 86° 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 Rentz. See also: October | November | December.
