September weather forecastRetiro, Chile
September
Weather in September
The first month of the spring, September, is a comfortable month in Retiro, Chile, with an average temperature varying between 17°C (62.6°F) and 5.5°C (41.9°F).Temperature
September showcases a minor temperature ascent, adjusting from August's moderate 13.9°C (57°F) to a still refreshing 17°C (62.6°F). In Retiro, in September, the average low-temperature is a wintry 5.5°C (41.9°F).Humidity
In Retiro, the average relative humidity in September is 73%.Rainfall
In Retiro, in September, during 9.2 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Retiro, during the entire year, the rain falls for 82.5 days and collects up to 614mm (24.17") of precipitation.Daylight
The average length of the day in September in Retiro is 11h and 53min.On the first day of September in Retiro, sunrise is at 07:05 and sunset at 18:27 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:50 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.
Sunshine
The average sunshine in September in Retiro is 8.1h.UV index
The months with the lowest UV index in Retiro, Chile, are May through July and September, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Retiro, Chile
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is January (30.8°C).
The month with the lowest average high temperature is July (12.3°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is January (13.2°C).
The coldest month (with the lowest average low temperature) is July (4.3°C).
Average pressure in September
Retiro, Chile
- Average pressure in September: 1019.6mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).
Average wind speed in September
Retiro, Chile
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is January (11.1km/h).
The calmest month (with the lowest average wind speed) is May (8.3km/h).
Average humidity in September
Retiro, Chile
- Average humidity in September: 73%
The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is January (49%).
Average rainfall in September
Retiro, Chile
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is June (151mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Retiro, Chile
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is January (1.8 days).
Average daylight in September /
Average sunshine in September
Retiro, Chile
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in September
Retiro, Chile
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is January (28.9 days).
The month with the least sunshine days is August (16.8 days).
Average UV index in September
Retiro, Chile
- Average UV index in September: 3
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 3).
Average cloud cover in September
Retiro, Chile
- Average cloud cover in September: 31
The month with the most cloud cover is June (Cloud cover 39).
The months with the least cloud cover are January and February (Cloud cover 7).
Average visibility in September
Retiro, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
