S
M
T
W
T
F
S
30
94°
66°
31
89°
61°
1
86°
60°
2
85°
56°
3
85°
59°
4
85°
62°
5
89°
53°
6
75°
64°
7
91°
58°
8
91°
64°
9
101°
63°
10
105°
77°
11
101°
67°
12
96°
64°
13
92°
56°
14
91°
58°
15
90°
56°
16
90°
59°
17
91°
64°
18
96°
65°
19
95°
64°
20
91°
62°
21
88°
61°
22
88°
61°
23
90°
60°
24
88°
55°
25
82°
54°
26
87°
57°
27
88°
55°
28
84°
53°
29
87°
55°
30
88°
58°
1
89°
57°
2
89°
57°
3
88°
56°
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 82° to 101°, with overnight lows between 53° and 67°. The average high for September is 90° 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 Rosamond. See also: October | November | December.
