S
M
T
W
T
F
S
30
83°
58°
31
86°
61°
1
87°
62°
2
87°
61°
3
89°
64°
4
83°
63°
5
81°
58°
6
81°
59°
7
83°
61°
8
85°
62°
9
82°
62°
10
79°
60°
11
87°
64°
12
89°
61°
13
91°
61°
14
89°
58°
15
86°
55°
16
82°
56°
17
82°
55°
18
81°
54°
19
83°
57°
20
83°
56°
21
86°
57°
22
86°
56°
23
85°
59°
24
86°
56°
25
83°
52°
26
80°
54°
27
80°
51°
28
76°
50°
29
79°
51°
30
80°
52°
1
76°
49°
2
70°
44°
3
73°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Redlands
Redlands's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 44° and 64°. The average high for September is 83° 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 Redlands. See also: October | November | December.
