S
M
T
W
T
F
S
30
82°
63°
31
79°
69°
1
84°
68°
2
72°
65°
3
88°
67°
4
85°
73°
5
80°
68°
6
78°
64°
7
80°
57°
8
81°
58°
9
88°
63°
10
87°
70°
11
81°
64°
12
79°
70°
13
80°
67°
14
79°
59°
15
75°
64°
16
79°
69°
17
81°
65°
18
79°
64°
19
73°
59°
20
71°
58°
21
69°
59°
22
71°
59°
23
71°
60°
24
74°
59°
25
67°
54°
26
67°
54°
27
71°
62°
28
76°
58°
29
69°
54°
30
70°
61°
1
71°
58°
2
67°
55°
3
70°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leonia
Leonia's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 54° and 70°. The average high for September is 73° with an average low of 61°. 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 Leonia. See also: October | November | December.
