S
M
T
W
T
F
S
30
72°
48°
31
73°
48°
1
71°
49°
2
71°
49°
3
72°
50°
4
69°
50°
5
71°
48°
6
70°
49°
7
69°
47°
8
68°
46°
9
68°
47°
10
69°
53°
11
68°
46°
12
68°
45°
13
72°
44°
14
70°
51°
15
70°
51°
16
69°
47°
17
66°
43°
18
66°
43°
19
68°
45°
20
71°
50°
21
69°
47°
22
65°
46°
23
70°
48°
24
68°
47°
25
69°
48°
26
63°
40°
27
66°
40°
28
61°
41°
29
60°
41°
30
61°
42°
1
62°
40°
2
59°
37°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Peru
Peru's September 2026 forecast shows daily high temperatures ranging from 59° to 73°, with overnight lows between 37° and 53°. The average high for September is 68° with an average low of 46°. 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 Peru. See also: October | November | December.
