Cusco
September
Weather in Cusco for September 2026
Your guide to Cusco weather in September - trends and predictions
Until now, September 2026 in Cusco has been nearly identical to the historical average, with a temperature of 16 °C (showing only a slight deviation of 0.1 °C).
The forecast for the upcoming days in Cusco predicts a temperature of 16.1 °C, which is slightly above the historical average.
In general, the average temperature in Cusco at the beginning of September is 14.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.1 °C by the end of September.
Cusco experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 60.3 mm.
Temperatures
Rain 🌧️
9
Dry days
21
Rainy days
0
Snow days
16°/7°
Temperatures
16 km/h
Avg max wind
57 %
Avg humidity
Cusco Weather September
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Temperatures trend during September in Cusco
See the weather trend as well as the moving average line
September weather in Cusco day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Thundery outbreaks possible | 15° /6° | 1.7 mm | 5 | |
| 2 Sept. | Thundery outbreaks possible | 15° /6° | 1.6 mm | 5 | |
| 3 Sept. |  Light rain shower | 17° /5° | 2.3 mm | 7 | |
| 4 Sept. | Light rain shower | 16° /5° | 1.9 mm | 7 | |
| 5 Sept. |  Patchy light rain with thunder | 13° /6° | 3.1 mm | 5 | |
| 6 Sept. | Thundery outbreaks possible | 14° /5° | 2.3 mm | 4 | |
| 7 Sept. | Patchy light rain with thunder | 14° /6° | 3.1 mm | 5 | |
| 8 Sept. | Patchy rain possible | 17° /5° | 0.9 mm | 6 | |
| 9 Sept. | Patchy rain possible | 17° /6° | 0.2 mm | 5 | |
| 10 Sept. |  Partly cloudy | 16° /5° | 0.5 mm | 5 | |
| 11 Sept. | Thundery outbreaks possible | 17° /6° | 2.1 mm | 5 | |
| 12 Sept. | Thundery outbreaks possible | 17° /6° | 0.8 mm | 5 | |
| 13 Sept. | Partly cloudy | 17° /6° | 0.1 mm | 8 | |
| 14 Sept. | Partly cloudy | 17° /6° | 1.8 mm | 7 | |
| 15 Sept. | Patchy rain possible | 16° /6° | 1.2 mm | 6 | |
| 16 Sept. | Patchy light rain with thunder | 15° /6° | 2 mm | 5 | |
| 17 Sept. | Thundery outbreaks possible | 13° /6° | 2.6 mm | 4 | |
| 18 Sept. | Patchy light rain with thunder | 13° /6° | 2.9 mm | 4 | |
| 19 Sept. | Thundery outbreaks possible | 15° /6° | 2.1 mm | 6 | |
| 20 Sept. | Light rain shower | 18° /6° | 1.2 mm | 7 | |
| 21 Sept. | Patchy light rain with thunder | 18° /7° | 3.3 mm | 7 | |
| 22 Sept. | Patchy rain possible | 19° /7° | 1.2 mm | 6 | |
| 23 Sept. |  Sunny | 18° /7° | 0.7 mm | 6 | |
| 24 Sept. | Patchy rain possible | 18° /7° | 0.4 mm | 7 | |
| 25 Sept. | Patchy rain possible | 18° /6° | 0.3 mm | 7 | |
| 26 Sept. | Patchy light rain with thunder | 17° /7° | 2.2 mm | 5 | |
| 27 Sept. | Sunny | 16° /6° | 0 mm | 15.6 | |
| 28 Sept. | Patchy rain possible | 15° /7° | 0.7 mm | 12.3 | |
| 29 Sept. | Light rain shower | 12° /8° | 10.1 mm | 10.6 | |
| 30 Sept. | Sunny | 17° /7° | 1.3 mm | 15.1 | |
| Next | |||||
Important Notice
Our weather forecast for Cusco in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cusco forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cusco in September - FAQ
What are the expected maximum and minimum temperatures in Cusco during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cusco during September?
Moderate rainfall is anticipated in Cusco during September, with a total of 60.3 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cusco during September?
The average wind speed in Cusco during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cusco
Explore the daily rainfall trends and prepare for Cuscos September weather 💧
Typically, Cusco has 21 rainy days in September with a total of 60.3 mm of rainfall.
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