Cusco weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Cusco September weather at a glance
In September, Cusco averages 12°C, with typical highs of 19.6°C and lows of 6.2°C. The historical average is 13 wet days and 65% humidity.
Cusco September temperature & humidity
Cusco September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Cusco in September
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 13°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 19.6°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 6.2°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Cusco September sunrise & sunset times
2026 September · Local time (America/Lima)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 05:52 | 17:43 | 11h 51m |
| 2026-09-15 | 05:43 | 17:44 | 12h 1m |
| 2026-09-30 | 05:32 | 17:44 | 12h 12m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Cusco travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Cusco city map
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Best months to visit Cusco
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Cusco weather like in September?
In September, Cusco averages 12°C, with typical highs of 19.6°C and lows of 6.2°C. The historical average is 13 wet days and 65% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Cusco in September?
There are about 13 wet days in September. A compact umbrella is still useful.
What should I wear in Cusco in September?
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 13°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Cusco?
Recent weather data rates May, June, July, August among the more comfortable months.
Where can I check Cusco weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Cusco in September?
On 2026-09-15, calculated sunrise is 05:43 and sunset is 17:44 in local time (America/Lima). Times vary by date and terrain.
Cusco weather by month
More Americas destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations