S
M
T
W
T
F
S
30
81°
70°
31
91°
70°
1
93°
72°
2
93°
73°
3
93°
72°
4
93°
72°
5
90°
72°
6
84°
63°
7
82°
59°
8
86°
61°
9
81°
66°
10
79°
57°
11
81°
61°
12
83°
63°
13
80°
61°
14
85°
68°
15
77°
59°
16
73°
59°
17
78°
58°
18
76°
55°
19
69°
49°
20
70°
53°
21
72°
51°
22
76°
47°
23
73°
55°
24
78°
56°
25
75°
55°
26
78°
54°
27
78°
55°
28
77°
55°
29
74°
54°
30
76°
52°
1
74°
47°
2
69°
53°
3
74°
53°
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 69° to 85°, with overnight lows between 47° and 68°. The average high for September is 76° with an average low of 56°. 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.
