S
M
T
W
T
F
S
30
84°
61°
31
86°
66°
1
84°
63°
2
82°
64°
3
86°
59°
4
88°
59°
5
86°
63°
6
76°
58°
7
81°
58°
8
75°
55°
9
62°
44°
10
62°
46°
11
66°
46°
12
66°
47°
13
70°
49°
14
71°
48°
15
73°
51°
16
64°
48°
17
61°
45°
18
62°
44°
19
53°
45°
20
55°
46°
21
58°
47°
22
59°
46°
23
60°
48°
24
60°
48°
25
59°
49°
26
59°
50°
27
58°
47°
28
58°
49°
29
59°
48°
30
58°
47°
1
54°
43°
2
54°
44°
3
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Prato
Prato's September 2026 forecast shows daily high temperatures ranging from 53° to 81°, with overnight lows between 43° and 58°. The average high for September is 62° with an average low of 48°. 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 Prato. See also: October | November | December.