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PeruThe weather in September in Alto Callao
It's pleasantly warm in September in Alto Callao 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 Alto Callao. 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 Alto Callao, 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, Alto Callao 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 Alto Callao
Click on any day in September to get detailed info about the usual weather on that day in Alto Callao. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Alto Callao | 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 Alto Callao 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 Alto Callao 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 Alto Callao 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 Alto Callao, Peru. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Alto Callao
Temperature in September in Alto Callao over the years
Precipitation charts
These charts show the average amount of precipitation in September in Alto Callao, 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 Alto Callao
Total precipitation in September in Alto Callao over the years
Daily UV index in September in Alto Callao
This chart shows the average daily UV index in September in Alto Callao, 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 Alto Callao
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Average weather in Alto Callao by month
Click on a month below to see detailed weather info for Alto Callao. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.