S
M
T
W
T
F
S
30
67°
49°
31
61°
48°
1
62°
47°
2
61°
47°
3
61°
49°
4
62°
47°
5
59°
46°
6
59°
46°
7
60°
47°
8
58°
51°
9
58°
46°
10
61°
50°
11
63°
51°
12
63°
50°
13
62°
48°
14
58°
47°
15
57°
51°
16
58°
46°
17
56°
50°
18
61°
51°
19
62°
50°
20
59°
50°
21
61°
51°
22
62°
50°
23
62°
48°
24
59°
43°
25
56°
49°
26
58°
48°
27
59°
42°
28
52°
47°
29
53°
49°
30
56°
46°
1
57°
47°
2
59°
48°
3
53°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harz
Harz's September 2026 forecast shows daily high temperatures ranging from 52° to 67°, with overnight lows between 38° and 51°. The average high for September is 59° with an average low of 48°. 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 Harz. See also: October | November | December.
