S
M
T
W
T
F
S
30
105°
78°
31
104°
79°
1
101°
77°
2
102°
77°
3
104°
79°
4
102°
73°
5
102°
77°
6
102°
75°
7
102°
75°
8
104°
77°
9
104°
79°
10
88°
68°
11
95°
63°
12
102°
73°
13
100°
72°
14
100°
77°
15
100°
73°
16
93°
66°
17
99°
73°
18
99°
73°
19
100°
70°
20
82°
68°
21
77°
64°
22
82°
61°
23
86°
63°
24
90°
66°
25
N/A
26
88°
68°
27
86°
64°
28
84°
66°
29
75°
70°
30
86°
70°
1
77°
63°
2
73°
55°
3
75°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Alva
Alva's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Alva. See also: October | November | December.