S
M
T
W
T
F
S
30
92°
58°
31
93°
62°
1
96°
63°
2
97°
63°
3
97°
62°
4
96°
62°
5
97°
61°
6
94°
60°
7
90°
59°
8
90°
55°
9
89°
57°
10
88°
58°
11
87°
57°
12
88°
62°
13
89°
60°
14
88°
56°
15
88°
53°
16
92°
53°
17
89°
52°
18
Hist. Avg.
91°
60°
19
Hist. Avg.
90°
60°
20
Hist. Avg.
90°
60°
21
Hist. Avg.
90°
60°
22
Hist. Avg.
89°
59°
23
Hist. Avg.
89°
59°
24
Hist. Avg.
89°
59°
25
Hist. Avg.
88°
58°
26
Hist. Avg.
88°
58°
27
Hist. Avg.
87°
58°
28
Hist. Avg.
87°
57°
29
Hist. Avg.
87°
57°
30
Hist. Avg.
86°
56°
1
Hist. Avg.
86°
56°
2
Hist. Avg.
86°
56°
3
Hist. Avg.
85°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lucerne Valley
Lucerne Valley's September 2026 forecast shows daily high temperatures ranging from 87° to 97°, with overnight lows between 52° and 63°. The average high for September is 92° with an average low of 59°. 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 Lucerne Valley. See also: October | November | December.
