S
M
T
W
T
F
S
30
72°
48°
31
59°
46°
1
66°
45°
2
68°
46°
3
68°
50°
4
70°
54°
5
72°
48°
6
70°
45°
7
70°
54°
8
73°
50°
9
72°
46°
10
72°
43°
11
72°
46°
12
70°
46°
13
70°
50°
14
63°
50°
15
68°
48°
16
64°
50°
17
57°
50°
18
64°
50°
19
63°
45°
20
63°
41°
21
64°
37°
22
63°
45°
23
55°
43°
24
55°
43°
25
54°
43°
26
61°
41°
27
61°
43°
28
55°
45°
29
55°
43°
30
52°
43°
1
63°
37°
2
64°
41°
3
68°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Plata
La Plata's September 2026 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 La Plata. See also: October | November | December.
