S
M
T
W
T
F
S
30
92°
58°
31
90°
57°
1
81°
55°
2
83°
53°
3
84°
57°
4
81°
54°
5
87°
55°
6
84°
55°
7
86°
55°
8
89°
58°
9
94°
59°
10
91°
57°
11
86°
55°
12
85°
56°
13
85°
55°
14
87°
58°
15
89°
55°
16
92°
59°
17
92°
59°
18
87°
58°
19
89°
57°
20
91°
58°
21
91°
58°
22
90°
57°
23
90°
57°
24
88°
56°
25
89°
57°
26
90°
57°
27
90°
56°
28
89°
57°
29
89°
56°
30
88°
57°
1
89°
56°
2
88°
56°
3
86°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yosemite Lakes
Yosemite Lakes's September 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 53° and 59°. The average high for September is 88° 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 Yosemite Lakes. See also: October | November | December.