S
M
T
W
T
F
S
30
99°
66°
31
99°
65°
1
98°
65°
2
98°
64°
3
97°
67°
4
95°
64°
5
98°
61°
6
97°
54°
7
90°
55°
8
89°
56°
9
90°
59°
10
93°
62°
11
95°
58°
12
96°
58°
13
93°
62°
14
95°
60°
15
94°
57°
16
91°
56°
17
92°
59°
18
94°
58°
19
93°
57°
20
92°
53°
21
90°
57°
22
85°
57°
23
83°
54°
24
84°
57°
25
85°
54°
26
88°
51°
27
84°
51°
28
83°
54°
29
83°
49°
30
82°
53°
1
82°
58°
2
88°
55°
3
82°
54°
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 99°, with overnight lows between 49° and 67°. The average high for September is 91° 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.
