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PeruThe weather in September in Arequipa
It's pleasantly warm in September in Arequipa with an average temperature of 22°C. Temperatures this month range from a low of 21°C to a high of 23°C. At night, you can expect temperatures between 9°C and 12°C.
Looking for great weather? September is a good time to be in Arequipa. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Arequipa, 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 31°C in 2023, Arequipa reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 23°C.
Rainfall amount
According to weather history, there is only 3,6 mm of precipitation in September. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Arequipa
Click on any day in September to get detailed info about the usual weather on that day in Arequipa. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Arequipa | New York | |
|---|---|---|
| Average temperature | 22°C | 27°C |
| Max. temperature | 23°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 3,6 mm | 57 mm |
| Rainy days | 1 day | 9 days |
Start of September
The month of September starts in Arequipa with warm temps, averaging around 22°C during the day and nights around 11°C.
Mid September
By mid-September, daytime temps stay steady at around 22°C, with nights around 12°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 Arequipa is around 23°C, while nighttime temps are about 12°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Arequipa
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 Arequipa 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 Arequipa, Peru. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Arequipa
Temperature in September in Arequipa over the years
Precipitation charts
These charts show the average amount of precipitation in September in Arequipa, 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 Arequipa
Total precipitation in September in Arequipa over the years
Daily UV index in September in Arequipa
This chart shows the average daily UV index in September in Arequipa, 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 Arequipa
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Average weather in Arequipa by month
Click on a month below to see detailed weather info for Arequipa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.