S
M
T
W
T
F
S
30
73°
49°
31
66°
47°
1
67°
46°
2
66°
45°
3
66°
45°
4
67°
44°
5
65°
44°
6
64°
42°
7
64°
43°
8
65°
47°
9
63°
43°
10
64°
46°
11
66°
47°
12
66°
46°
13
65°
45°
14
63°
44°
15
61°
49°
16
66°
44°
17
61°
46°
18
67°
48°
19
68°
49°
20
67°
49°
21
67°
48°
22
66°
48°
23
67°
47°
24
66°
46°
25
60°
47°
26
64°
47°
27
65°
39°
28
56°
44°
29
57°
45°
30
61°
43°
1
62°
44°
2
63°
45°
3
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Haag
Haag's September 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 39° and 49°. The average high for September is 65° with an average low of 46°. 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 Haag. See also: October | November | December.
