Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Upon the beginning of September, Arequipa's high-temperatures register at a still comfortable 17.8°C (64°F), closely mirroring the preceding month. September nights in Arequipa, Peru, are marked by an average temperature drop to a frosty 7.7°C (45.9°F).Humidity
The average relative humidity in September is 40%.Rainfall
In Arequipa, during September, the rain falls for 2.7 days and regularly aggregates up to 3mm (0.12") of precipitation. In Arequipa, during the entire year, the rain falls for 84.2 days and collects up to 260mm (10.24") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of September, sunrise is at 05:51 and sunset at 17:40. On the last day of the month, sunrise is at 05:28 and sunset at 17:43 -05.
Sunshine
In Arequipa, the average sunshine in September is 9.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 4. January through December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average September temperature in Arequipa?
What is the average humidity in September in Arequipa?
How much does it rain in Arequipa in September?
How many hours of daylight does Arequipa have in September?
What time are sunrise and sunset in September in Arequipa?
How many hours of sunshine does Arequipa have in September?
When is the highest UV index in Arequipa?
What are the months with the lowest UV index in Arequipa?
What is the UV index reading in September in Arequipa?
Average temperature in September
Arequipa, Peru
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is October (17.9°C).
The month with the lowest average high temperature is February (15.2°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is February (10.7°C).
The coldest month (with the lowest average low temperature) is July (6.7°C).
Average pressure in September
Arequipa, Peru
- Average pressure in September: 1017.3mbar
The months with the highest atmospheric pressure are June and July (1018.2mbar).
The months with the lowest atmospheric pressure are February and December (1015.1mbar).
Average wind speed in September
Arequipa, Peru
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in September
Arequipa, Peru
- Average humidity in September: 40%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Arequipa, Peru
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are June and August (1mm).
Average rainfall days in September
Arequipa, Peru
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is February (18.2 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Arequipa, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is July (Average sunshine: 7h and 36min).
Average sunshine days in September
Arequipa, Peru
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Arequipa, Peru
- Average UV index in September: 4
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
Average cloud cover in September
Arequipa, Peru
- Average cloud cover in September: 7
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in September
Arequipa, Peru
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
Arequipa, Peru
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