S
M
T
W
T
F
S
30
89°
75°
31
87°
75°
1
89°
76°
2
88°
78°
3
86°
77°
4
90°
76°
5
91°
76°
6
92°
75°
7
86°
74°
8
86°
78°
9
85°
77°
10
87°
78°
11
88°
75°
12
86°
75°
13
88°
78°
14
87°
77°
15
86°
78°
16
89°
77°
17
88°
77°
18
87°
75°
19
88°
77°
20
87°
74°
21
86°
75°
22
87°
78°
23
87°
77°
24
86°
77°
25
84°
76°
26
86°
77°
27
85°
77°
28
86°
76°
29
85°
77°
30
85°
77°
1
84°
76°
2
85°
77°
3
84°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Palm Valley
Palm Valley's September 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 74° and 78°. The average high for September is 86° with an average low of 77°. 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 Palm Valley. See also: October | November | December.