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 average high-temperature in September, at a moderate 14.5°C (58.1°F), reveals a modest deviation from August's 12.8°C (55°F). September brings with it a nighttime average temperature of 8°C (46.4°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Penco, in September, during 9.9 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, in Penco, there are 99.3 rainfall days, and 574mm (22.6") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 53min.On the first day of the month, sunrise is at 07:11 and sunset at 18:32 -04. On the last day of September, sunrise is at 07:27 and sunset at 19:55 -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 Penco, the average sunshine in September is 7.8h.UV index
In Penco, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Penco in September?
What is the average humidity in September?
How much does it rain in Penco in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Penco?
When does Daylight Saving Time (DST) start in September?
How many hours of sunshine does Penco have in September?
What is the UV index intensity in September?
Average temperature in September
Penco, Chile
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is January (22.4°C).
The month with the lowest average high temperature is July (12.1°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is January (13.5°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in September
Penco, Chile
- Average pressure in September: 1019.9mbar
The months with the highest atmospheric pressure are July and September (1019.9mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).
Average wind speed in September
Penco, Chile
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is May (11.9km/h).
Average humidity in September
Penco, Chile
- Average humidity in September: 78%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is January (69%).
Average rainfall in September
Penco, Chile
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is June (156mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in September
Penco, Chile
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (2.6 days).
Average daylight in September /
Average sunshine in September
Penco, Chile
- Average daylight in September: 11h and 5min
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: 7h and 5min
The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).
Average sunshine days in September
Penco, Chile
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is January (27.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Penco, Chile
- Average UV index in September: 4
The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in September
Penco, Chile
- Average cloud cover in September: 33
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 10).
Average visibility in September
Penco, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, October, November and December (10km).
The months with the lowest visibility are May, July, August and September (9km).
