Cusco
September
Weather in Cusco for September 2025
Your guide to Cusco weather in September - trends and predictions
In general, the average temperature in Cusco 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.
Cusco experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Cusco? check out the best time to travel to Cusco page.
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8
Dry days
22
Rainy days
0
Snow days
16°/7°
Temperatures
15 km/h
Avg max wind
60 %
Avg humidity
Cusco in September average weather
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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 Cusco
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 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.
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 91.5 mm spread over approximately 22 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 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cusco in September?
As you prepare for your trip to Cusco in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cusco, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Cusco
Explore the daily rainfall trends and prepare for Cuscos September weather 💧
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