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
September
Weather in September
Temperature
The months of August and September are noted for their lowest temperatures, with an average high-temperature of 18.9°C (66°F).Humidity
In Chiu-Chiu, the average relative humidity in September is 79%.Rainfall
May, June and September are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 1mm (0.04") of rain.Daylight
In Chiu-Chiu, Peru, the average length of the day in September is 12h and 3min.On the first day of September, sunrise is at 06:13 and sunset at 18:08. On the last day of the month, sunrise is at 05:54 and sunset at 18:06 -05.
Sunshine
In September, the average sunshine is 10.1h.UV index
The months with the lowest UV index are May through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, a regular UV index of 5 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chiu-Chiu have in September?
What are the months with the lowest UV index?
How high is the UV index in September?
Average temperature in September
Chiu-Chiu, Peru
- Average high temperature in September: 18.9°C
The warmest months (with the highest average high temperature) are February and March (23.3°C).
The months with the lowest average high temperature are August and September (18.9°C).
- Average low temperature in September: 15.1°C
The month with the highest average low temperature is February (20.7°C).
The coldest month (with the lowest average low temperature) is August (14.8°C).
Average pressure in September
Chiu-Chiu, Peru
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is August (1016.1mbar).
The month with the lowest atmospheric pressure is February (1013.5mbar).
Average wind speed in September
Chiu-Chiu, Peru
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is September (13.9km/h).
The calmest month (with the lowest average wind speed) is February (10.7km/h).
Average humidity in September
Chiu-Chiu, Peru
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in September
Chiu-Chiu, Peru
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (10mm).
The driest months (with the least rainfall) are May, June and September (1mm).
Average rainfall days in September
Chiu-Chiu, Peru
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (1.1 days).
Average daylight in September /
Average sunshine in September
Chiu-Chiu, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is October (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in September
Chiu-Chiu, Peru
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is March (14 days).
Average UV index in September
Chiu-Chiu, Peru
- Average UV index in September: 5
The months with the highest UV index are January, February, March and April (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Chiu-Chiu, Peru
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Chiu-Chiu, Peru
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
