S
M
T
W
T
F
S
30
90°
70°
31
N/A
1
97°
73°
2
100°
72°
3
101°
74°
4
98°
71°
5
90°
66°
6
84°
64°
7
83°
64°
8
84°
66°
9
84°
63°
10
85°
63°
11
84°
62°
12
80°
61°
13
80°
60°
14
85°
66°
15
82°
65°
16
78°
65°
17
78°
64°
18
79°
58°
19
76°
57°
20
76°
57°
21
77°
58°
22
79°
59°
23
82°
62°
24
82°
63°
25
81°
62°
26
79°
62°
27
78°
63°
28
77°
62°
29
81°
61°
30
78°
60°
1
73°
57°
2
73°
58°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Valentines
Valentines's September 2026 forecast shows daily high temperatures ranging from 73° to 101°, with overnight lows between 57° and 74°. The average high for September is 82° with an average low of 63°. 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 Valentines. See also: October | November | December.
