S
M
T
W
T
F
S
30
96°
70°
31
90°
66°
1
93°
57°
2
92°
55°
3
91°
58°
4
88°
59°
5
92°
68°
6
89°
68°
7
93°
69°
8
90°
65°
9
91°
64°
10
98°
67°
11
97°
66°
12
95°
63°
13
96°
64°
14
93°
60°
15
96°
65°
16
95°
64°
17
95°
63°
18
92°
58°
19
88°
57°
20
89°
58°
21
91°
61°
22
92°
61°
23
92°
60°
24
89°
55°
25
83°
53°
26
82°
54°
27
81°
53°
28
82°
53°
29
83°
54°
30
83°
55°
1
82°
54°
2
84°
58°
3
88°
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 81° to 98°, with overnight lows between 53° and 69°. The average high for September is 90° with an average low of 60°. 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.
