S
M
T
W
T
F
S
30
65°
56°
31
67°
56°
1
68°
55°
2
70°
54°
3
65°
55°
4
67°
54°
5
66°
51°
6
64°
52°
7
64°
52°
8
66°
51°
9
63°
51°
10
63°
52°
11
64°
49°
12
63°
49°
13
62°
50°
14
62°
52°
15
63°
52°
16
63°
50°
17
64°
51°
18
63°
49°
19
66°
48°
20
61°
49°
21
61°
49°
22
62°
48°
23
60°
46°
24
60°
48°
25
61°
51°
26
60°
51°
27
63°
47°
28
60°
46°
29
59°
47°
30
59°
46°
1
60°
45°
2
59°
48°
3
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leppington
Leppington's September 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 45° and 56°. The average high for September is 63° 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 Leppington. See also: October | November | December.
