S
M
T
W
T
F
S
30
75°
55°
31
80°
58°
1
81°
54°
2
76°
53°
3
75°
54°
4
77°
58°
5
79°
60°
6
81°
60°
7
80°
58°
8
74°
57°
9
78°
59°
10
79°
57°
11
76°
58°
12
79°
59°
13
78°
55°
14
72°
50°
15
71°
51°
16
71°
50°
17
72°
54°
18
73°
55°
19
76°
55°
20
77°
56°
21
72°
52°
22
74°
53°
23
71°
54°
24
75°
53°
25
73°
47°
26
67°
53°
27
73°
52°
28
74°
53°
29
Hist. Avg.
65°
44°
30
Hist. Avg.
64°
44°
1
Hist. Avg.
64°
43°
2
Hist. Avg.
63°
43°
3
Hist. Avg.
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Terra Alta
Terra Alta's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 47° and 60°. The average high for September is 75° with an average low of 55°. 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 Terra Alta. See also: October | November | December.
