Cusco in September

6.2out of 10

Possible, with caveats

Mild: highs around 15°C. Frequent rain: about 13 rainy days.

15°CAvg high
4°CAvg low
13Rainy days (37 mm)
11:56 hDaylight
05:44Sunrise · 17:40 Sunset

Why this score

  • Mild: highs around 15°C
  • Frequent rain: about 13 rainy days
  • Rain varies a lot between years (±5.0 days)

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in September varies a lot between years (±5.0 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

14° 6° J 14° 6° F 14° 5° M 14° 5° A 14° 3° M 14° 2° J 14° 1° J 15° 2° A 15° 4° S 16° 5° O 16° 6° N 15° 6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 14°C6°C229 mm 29– – 4.9
February 14°C6°C215 mm 26– – 4.8
March 14°C5°C170 mm 27– – 4.9
April 14°C5°C77 mm 18– – 5.4
May 14°C3°C24 mm 8– – 6.8
June 14°C2°C11 mm 3– – 7.3
July 14°C1°C11 mm 3– – 7.3
August 15°C2°C22 mm 7– – 7.0
September 15°C4°C37 mm 13– – 6.2
October 16°C5°C84 mm 20– – 5.3
November 16°C6°C115 mm 23– – 5.1
December 15°C6°C196 mm 27– – 4.9

Frequently asked questions

How hot is Cusco in September?

Daytime highs average 15°C and nights about 4°C.

When is the best time to visit Cusco?

The best months are June, July, August, May.