S
M
T
W
T
F
S
30
96°
70°
31
90°
66°
1
88°
60°
2
87°
57°
3
85°
59°
4
85°
59°
5
92°
57°
6
73°
67°
7
85°
69°
8
95°
70°
9
103°
74°
10
100°
76°
11
96°
73°
12
94°
69°
13
88°
69°
14
88°
64°
15
83°
66°
16
86°
62°
17
85°
60°
18
88°
58°
19
90°
61°
20
87°
62°
21
85°
63°
22
89°
64°
23
95°
63°
24
91°
64°
25
93°
64°
26
90°
60°
27
88°
59°
28
92°
60°
29
88°
57°
30
84°
58°
1
82°
57°
2
85°
57°
3
85°
60°
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 82° to 95°, with overnight lows between 57° and 64°. The average high for September is 88° with an average low of 61°. 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.
