S
M
T
W
T
F
S
30
80°
60°
31
73°
56°
1
70°
58°
2
71°
53°
3
72°
53°
4
77°
62°
5
66°
55°
6
65°
48°
7
68°
45°
8
86°
54°
9
75°
60°
10
65°
47°
11
64°
42°
12
71°
50°
13
65°
53°
14
70°
48°
15
71°
46°
16
75°
55°
17
67°
55°
18
66°
52°
19
71°
51°
20
69°
52°
21
62°
49°
22
65°
46°
23
64°
44°
24
58°
52°
25
57°
50°
26
67°
44°
27
72°
45°
28
74°
52°
29
74°
48°
30
72°
51°
1
69°
54°
2
74°
51°
3
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Poznan
Poznan's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Poznan. See also: October | November | December.
