September weather forecastChaclacayo, Peru
September
Weather in September
September, the first month of the spring in Chaclacayo, is still a refreshing month, with an average temperature fluctuating between 19.4°C (66.9°F) and 13°C (55.4°F).Temperature
The advent of September brings an average high-temperature of a still comfortable 19.4°C (66.9°F), almost identical to the preceding month. Chaclacayo registers a consistent average low-temperature of 13°C (55.4°F) during September.Humidity
The average relative humidity in September is 63%.Rainfall
In September, in Chaclacayo, the rain falls for 4.5 days. Throughout September, 5mm (0.2") of precipitation is accumulated. Throughout the year, there are 145.2 rainfall days, and 258mm (10.16") of precipitation is accumulated.Daylight
In September, the average length of the day in Chaclacayo, Peru, is 12h and 2min.On the first day of the month, sunrise is at 06:10 and sunset at 18:03. On the last day of September, sunrise is at 05:50 and sunset at 18:03 -05.
Sunshine
In Chaclacayo, the average sunshine in September is 10.9h.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index. January through December, with an average maximum UV index of 5, are months with the lowest UV index in Chaclacayo. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chaclacayo, Peru
- Average high temperature in September: 19.4°C
The warmest months (with the highest average high temperature) are March and April (21°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in September: 13°C
The months with the highest average low temperature are February and March (16.7°C).
The coldest months (with the lowest average low temperature) are July and August (12.7°C).
Average pressure in September
Chaclacayo, Peru
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is August (1017mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).
Average wind speed in September
Chaclacayo, Peru
- Average wind speed in September: 8.5km/h
The windiest months (with the highest average wind speed) are January and November (9km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in September
Chaclacayo, Peru
- Average humidity in September: 63%
The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Chaclacayo, Peru
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is March (57mm).
The driest months (with the least rainfall) are June and July (1mm).
Average rainfall days in September
Chaclacayo, Peru
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (27.3 days).
The month with the least rainy days is August (0.9 days).
Average daylight in September /
Average sunshine in September
Chaclacayo, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is October (Average sunshine: 12h and 6min).
The month with the least sunshine is May (Average sunshine: 7h and 36min).
Average sunshine days in September
Chaclacayo, Peru
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is March (1.3 days).
Average UV index in September
Chaclacayo, Peru
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Chaclacayo, Peru
- Average cloud cover in September: 8
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in September
Chaclacayo, Peru
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
