S
M
T
W
T
F
S
30
101°
79°
31
102°
79°
1
103°
80°
2
106°
77°
3
106°
81°
4
100°
79°
5
100°
81°
6
99°
73°
7
102°
77°
8
102°
79°
9
104°
79°
10
102°
77°
11
106°
77°
12
106°
81°
13
102°
79°
14
104°
77°
15
104°
77°
16
102°
75°
17
99°
77°
18
97°
79°
19
102°
79°
20
99°
75°
21
100°
73°
22
97°
75°
23
97°
75°
24
93°
74°
25
96°
74°
26
97°
75°
27
97°
76°
28
97°
77°
29
97°
73°
30
87°
68°
1
87°
65°
2
87°
63°
3
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rosita
Rosita's September 2026 forecast shows daily high temperatures ranging from 87° to 97°, with overnight lows between 63° and 77°. The average high for September is 93° with an average low of 71°. 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 Rosita. See also: October | November | December.
