S
M
T
W
T
F
S
30
73°
51°
31
74°
53°
1
74°
54°
2
75°
53°
3
76°
54°
4
78°
56°
5
77°
58°
6
75°
57°
7
74°
56°
8
77°
57°
9
77°
55°
10
Hist. Avg.
69°
53°
11
Hist. Avg.
69°
53°
12
Hist. Avg.
68°
53°
13
Hist. Avg.
68°
52°
14
Hist. Avg.
68°
52°
15
Hist. Avg.
68°
52°
16
Hist. Avg.
67°
51°
17
Hist. Avg.
67°
51°
18
Hist. Avg.
66°
51°
19
Hist. Avg.
66°
50°
20
Hist. Avg.
66°
50°
21
Hist. Avg.
65°
50°
22
Hist. Avg.
65°
49°
23
Hist. Avg.
65°
49°
24
Hist. Avg.
64°
49°
25
Hist. Avg.
64°
48°
26
Hist. Avg.
63°
48°
27
Hist. Avg.
63°
48°
28
Hist. Avg.
63°
47°
29
Hist. Avg.
62°
47°
30
Hist. Avg.
62°
47°
1
Hist. Avg.
61°
46°
2
Hist. Avg.
61°
46°
3
Hist. Avg.
61°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lansdowne
Lansdowne's September 2026 forecast shows daily high temperatures ranging from 73° to 78°, with overnight lows between 51° and 58°. The average high for September is 75° with an average low of 55°. 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 Lansdowne. See also: October | November | December.
