S
M
T
W
T
F
S
30
68°
59°
31
64°
57°
1
67°
55°
2
67°
54°
3
69°
58°
4
72°
60°
5
68°
48°
6
74°
60°
7
82°
59°
8
62°
50°
9
61°
47°
10
63°
51°
11
60°
49°
12
61°
49°
13
62°
48°
14
62°
50°
15
64°
52°
16
65°
51°
17
64°
48°
18
64°
47°
19
64°
48°
20
63°
51°
21
64°
52°
22
66°
53°
23
66°
52°
24
67°
52°
25
67°
49°
26
63°
45°
27
61°
44°
28
61°
43°
29
62°
43°
30
60°
50°
1
62°
47°
2
60°
45°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Theux
Theux's September 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 43° and 60°. The average high for September is 64° with an average low of 49°. 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 Theux. See also: October | November | December.