S
M
T
W
T
F
S
30
93°
73°
31
93°
73°
1
94°
74°
2
96°
74°
3
95°
73°
4
92°
75°
5
90°
74°
6
94°
75°
7
93°
72°
8
93°
73°
9
93°
74°
10
88°
75°
11
83°
74°
12
90°
73°
13
92°
73°
14
95°
75°
15
94°
73°
16
91°
72°
17
89°
65°
18
93°
69°
19
92°
71°
20
91°
70°
21
89°
69°
22
87°
70°
23
88°
69°
24
87°
67°
25
86°
66°
26
87°
65°
27
83°
64°
28
80°
63°
29
82°
64°
30
86°
62°
1
86°
66°
2
82°
67°
3
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Altha
Altha's September 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 62° and 71°. The average high for September is 87° with an average low of 67°. 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 Altha. See also: October | November | December.
