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
N/A
7
67°
51°
8
82°
59°
9
69°
53°
10
65°
47°
11
67°
48°
12
68°
52°
13
67°
53°
14
69°
52°
15
70°
55°
16
63°
51°
17
65°
50°
18
64°
51°
19
65°
52°
20
67°
51°
21
66°
51°
22
66°
50°
23
67°
52°
24
68°
52°
25
69°
51°
26
68°
47°
27
63°
44°
28
61°
44°
29
60°
45°
30
58°
48°
1
58°
46°
2
60°
44°
3
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Leszno
Leszno's September 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 44° and 59°. The average high for September is 66° with an average low of 50°. 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 Leszno. See also: October | November | December.
