S
M
T
W
T
F
S
30
68°
54°
31
69°
53°
1
68°
51°
2
67°
50°
3
67°
52°
4
66°
53°
5
66°
51°
6
67°
49°
7
65°
49°
8
65°
47°
9
66°
50°
10
66°
51°
11
67°
50°
12
63°
51°
13
64°
53°
14
65°
52°
15
67°
49°
16
65°
48°
17
64°
50°
18
64°
53°
19
67°
54°
20
68°
53°
21
67°
53°
22
68°
52°
23
67°
54°
24
66°
52°
25
65°
49°
26
63°
48°
27
62°
49°
28
61°
48°
29
65°
50°
30
65°
51°
1
Hist. Avg.
57°
44°
2
Hist. Avg.
56°
44°
3
Hist. Avg.
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greifswald
Greifswald's September 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 47° and 54°. The average high for September is 66° 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 Greifswald. See also: October | November | December.
