S
M
T
W
T
F
S
30
93°
65°
31
95°
64°
1
96°
63°
2
91°
58°
3
90°
58°
4
90°
61°
5
91°
61°
6
92°
62°
7
94°
59°
8
90°
58°
9
90°
55°
10
89°
56°
11
89°
56°
12
90°
58°
13
93°
55°
14
92°
54°
15
90°
61°
16
90°
61°
17
85°
60°
18
86°
60°
19
86°
59°
20
85°
59°
21
86°
58°
22
90°
59°
23
89°
59°
24
90°
58°
25
91°
58°
26
91°
57°
27
90°
55°
28
89°
54°
29
88°
56°
30
88°
56°
1
89°
57°
2
90°
56°
3
89°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rosamond
Rosamond's September 2026 forecast shows daily high temperatures ranging from 85° to 96°, with overnight lows between 53° and 65°. The average high for September is 90° with an average low of 58°. 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 Rosamond. See also: October | November | December.
