S
M
T
W
T
F
S
31
98°
65°
1
94°
64°
2
101°
65°
3
101°
65°
4
100°
66°
5
94°
65°
6
88°
59°
7
84°
62°
8
85°
58°
9
83°
59°
10
89°
52°
11
88°
57°
12
85°
56°
13
86°
53°
14
71°
58°
15
78°
55°
16
81°
53°
17
88°
48°
18
83°
56°
19
86°
59°
20
89°
51°
21
72°
53°
22
73°
45°
23
75°
40°
24
80°
46°
25
80°
51°
26
76°
48°
27
69°
49°
28
72°
44°
29
72°
53°
30
69°
45°
1
66°
45°
2
66°
40°
3
71°
39°
4
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leavenworth
Leavenworth's September 2025 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 Leavenworth. See also: October | November | December.
