S
M
T
W
T
F
S
30
69°
51°
31
72°
51°
1
72°
54°
2
71°
54°
3
72°
55°
4
73°
54°
5
73°
54°
6
72°
55°
7
72°
54°
8
71°
54°
9
72°
51°
10
71°
47°
11
66°
47°
12
67°
49°
13
67°
52°
14
69°
53°
15
68°
52°
16
69°
51°
17
69°
48°
18
68°
50°
19
68°
51°
20
67°
50°
21
65°
48°
22
64°
48°
23
64°
50°
24
65°
48°
25
66°
49°
26
65°
50°
27
64°
49°
28
65°
49°
29
65°
48°
30
64°
48°
1
64°
50°
2
65°
50°
3
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gressenhall
Gressenhall's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 47° and 55°. The average high for September is 68° with an average low of 51°. 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 Gressenhall. See also: October | November | December.