The weather in September in Retiro

It's pleasantly warm in September in Retiro with an average temperature of 21°C. Temperatures this month range from a low of 20°C to a high of 22°C. At night, you can expect temperatures between 14°C and 16°C.

Looking for great weather? September is a good time to be in Retiro. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Retiro, Peru. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 29°C in 2018, Retiro reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 17°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 10°C to a highest value of 19°C.

Rainfall amount

According to weather history, there is only 3 mm of precipitation in September. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in September for Retiro

Click on any day in September to get detailed info about the usual weather on that day in Retiro. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Retiro New York
Average temperature 21°C 27°C
Max. temperature 22°C 31°C
Min. temperature 14°C -5°C
Total precipitation 3 mm 57 mm
Rainy days 1 day 9 days

Start of September

The month of September starts in Retiro with mild temps, averaging around 21°C during the day and nights around 15°C.

Mid September

By mid-September, daytime temps stay steady at around 21°C, with nights around 15°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.

End of September

By the end of September, the average daytime temperature in Retiro is around 21°C, while nighttime temps are about 15°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Retiro for all months and discover the best travel time

Curious about the weather in other parts of Peru? Check out the climate and weather for spots like Lima, Cusco, Machu Picchu, or explore other destinations in Peru.

Temperature charts

These charts show the average temperatures in September in Retiro, Peru. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Retiro

Temperature in September in Retiro over the years

Precipitation charts

These charts show the average amount of precipitation in September in Retiro, Peru. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Retiro

Total precipitation in September in Retiro over the years

Daily UV index in September in Retiro

This chart shows the average daily UV index in September in Retiro, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Retiro

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Average weather in Retiro by month

Click on a month below to see detailed weather info for Retiro. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.