Peru (Cusco)
September
Weather in Peru for September 2025
Your guide to Peru weather in September - trends and predictions
In general, the average temperature in Peru at the beginning of September is 15.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.4 °C by the end of September.
The climate of Peru in September is notably wet, with an average of 15 rainy days, and a total of 124.2 mm of precipitation.
Temperatures
Rain 🌧️
15
Dry days
15
Rainy days
0
Snow days
17°/6°
Temperatures
16 km/h
Avg max wind
57 %
Avg humidity
Peru Weather September
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2  15° | 3  18° | 4 17° | 5 13° | 6 14° | 7 16° |
| 8 17° | 9 17° | 10  17° | 11 18° | 12 17° | 13 16° | 14 16° |
| 15 16° | 16 15° | 17 12° | 18 14° | 19 14° | 20 17° | 21 17° |
| 22 19° | 23  18° | 24 16° | 25 17° | 26 18° | 27 16° | 28 16° |
| 29 16° | 30 16° |
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Temperatures trend during September in Peru
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 14° /6° | 3 mm | 5 | |
| 2 Sept. | Thundery outbreaks possible | 15° /6° | 2.8 mm | 5 | |
| 3 Sept. | Light rain shower | 18° /4° | 3.5 mm | 6 | |
| 4 Sept. | Light rain shower | 17° /6° | 2.6 mm | 5 | |
| 5 Sept. | Patchy light rain with thunder | 13° /7° | 5.5 mm | 4 | |
| 6 Sept. | Patchy light rain with thunder | 14° /6° | 3.9 mm | 5 | |
| 7 Sept. | Patchy light rain with thunder | 16° /6° | 4.9 mm | 5 | |
| 8 Sept. | Patchy rain possible | 17° /5° | 0.3 mm | 5 | |
| 9 Sept. | Patchy rain possible | 17° /5° | 0.1 mm | 6 | |
| 10 Sept. | Partly cloudy | 17° /6° | 0.1 mm | 6 | |
| 11 Sept. | Thundery outbreaks possible | 18° /7° | 1.1 mm | 5 | |
| 12 Sept. | Thundery outbreaks possible | 17° /7° | 0.1 mm | 5 | |
| 13 Sept. | Partly cloudy | 16° /6° | 0 mm | 6 | |
| 14 Sept. | Partly cloudy | 16° /6° | 0.2 mm | 6 | |
| 15 Sept. | Thundery outbreaks possible | 16° /6° | 0.2 mm | 5 | |
| 16 Sept. | Thundery outbreaks possible | 15° /6° | 1.1 mm | 5 | |
| 17 Sept. | Patchy light rain with thunder | 12° /7° | 3.3 mm | 4 | |
| 18 Sept. | Patchy light rain with thunder | 14° /7° | 1.6 mm | 4 | |
| 19 Sept. | Patchy light rain with thunder | 14° /7° | 1.6 mm | 5 | |
| 20 Sept. | Light rain shower | 17° /7° | 1.2 mm | 5 | |
| 21 Sept. | Patchy light rain with thunder | 17° /8° | 1.1 mm | 5 | |
| 22 Sept. | Patchy light rain with thunder | 19° /7° | 1.5 mm | 6 | |
| 23 Sept. | Sunny | 18° /7° | 0.1 mm | 6 | |
| 24 Sept. | Patchy light rain with thunder | 16° /7° | 0.3 mm | 5 | |
| 25 Sept. | Patchy rain possible | 17° /7° | 0.5 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 18° /8° | 2.8 mm | 6 | |
| 27 Sept. | Patchy light rain with thunder | 16° /8° | 7 mm | 5 | |
| 28 Sept. | Thundery outbreaks possible | 16° /8° | 6.9 mm | 5 | |
| 29 Sept. | Patchy light rain with thunder | 16° /6° | 4.3 mm | 5 | |
| 30 Sept. | Patchy light rain with thunder | 16° /7° | 0.5 mm | 5 | |
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Important Notice
Our weather forecast for Peru 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 Peru forecast closer to your planned date for the most up-to-date weather information.
Peru in September - FAQ
What are the expected maximum and minimum temperatures in Peru during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Peru during September?
Significant rainfall exceeding 124.2 mm is expected in Peru during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Peru during September?
The average wind speed in Peru during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Peru
Explore the daily rainfall trends and prepare for Perus September weather 💧
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