S
M
T
W
T
F
S
30
82°
54°
31
77°
51°
1
76°
53°
2
76°
53°
3
77°
54°
4
76°
52°
5
75°
52°
6
74°
58°
7
76°
55°
8
76°
53°
9
75°
51°
10
75°
50°
11
74°
50°
12
73°
51°
13
74°
52°
14
73°
51°
15
74°
55°
16
77°
53°
17
78°
50°
18
78°
48°
19
73°
54°
20
79°
53°
21
70°
46°
22
70°
44°
23
Hist. Avg.
73°
50°
24
Hist. Avg.
73°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
72°
48°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
71°
47°
29
Hist. Avg.
70°
47°
30
Hist. Avg.
70°
46°
1
Hist. Avg.
70°
46°
2
Hist. Avg.
69°
46°
3
Hist. Avg.
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Peru
Peru's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 44° and 58°. The average high for September is 75° with an average low of 52°. 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.
