September weather forecastCerro Viejo, Chile
September
Weather in September
The first month of the spring, September, is a pleasant month in Cerro Viejo, Chile, with an average temperature fluctuating between 6.7°C (44.1°F) and 20.2°C (68.4°F).Temperature
Cerro Viejo's weather in September indicates an average high-temperature of an agreeable 20.2°C (68.4°F), nearly consistent with the 18.1°C (64.6°F) of August. A noteworthy temperature dip to a chilly 6.7°C (44.1°F) is observed during the nights of September in Cerro Viejo.Humidity
In September, the average relative humidity in Cerro Viejo is 66%.Rainfall
In Cerro Viejo, in September, it is raining for 5.3 days, with typically 20mm (0.79") of accumulated precipitation. In Cerro Viejo, during the entire year, the rain falls for 42.3 days and collects up to 215mm (8.46") of precipitation.Daylight
The average length of the day in September in Cerro Viejo is 11h and 55min.On the first day of the month, sunrise is at 07:01 and sunset at 18:27 -04. On the last day of September, sunrise is at 07:21 and sunset at 19:46 -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
In September, the average sunshine in Cerro Viejo is 8.7h.UV index
In September, the average daily maximum UV index in Cerro Viejo, Chile, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cerro Viejo, Chile
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is July (15.8°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is January (13.9°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).
Average pressure in September
Cerro Viejo, Chile
- Average pressure in September: 1019.2mbar
The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).
Average wind speed in September
Cerro Viejo, Chile
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is December (8.2km/h).
The calmest month (with the lowest average wind speed) is May (5.8km/h).
Average humidity in September
Cerro Viejo, Chile
- Average humidity in September: 66%
The months with the highest relative humidity are July and August (67%).
The months with the lowest relative humidity are January, March and April (54%).
Average rainfall in September
Cerro Viejo, Chile
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are February and March (1mm).
Average rainfall days in September
Cerro Viejo, Chile
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is June (7.1 days).
The month with the least rainy days is February (0.9 days).
Average daylight in September /
Average sunshine in September
Cerro Viejo, Chile
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 6min).
Average sunshine days in September
Cerro Viejo, Chile
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is March (29.8 days).
The month with the least sunshine days is June (22.2 days).
Average UV index in September
Cerro Viejo, Chile
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
Cerro Viejo, Chile
- Average cloud cover in September: 24
The month with the most cloud cover is June (Cloud cover 28).
The month with the least cloud cover is February (Cloud cover 5).
Average visibility in September
Cerro Viejo, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (10km).
The months with the lowest visibility are August and September (9km).
