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 sea temperature 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
Weather in September
Temperature
The advent of September signifies a minor shift to an average high-temperature of a still mild 14.8°C (58.6°F), aligning closely with August. In September, the nighttime temperature in Arauco, Chile, lowers to an average of 7.2°C (45°F).Humidity
The average relative humidity in September in Arauco is 78%.Rainfall
In Arauco, in September, it is raining for 9.6 days, with typically 49mm (1.93") of accumulated precipitation. In Arauco, during the entire year, the rain falls for 96.1 days and collects up to 601mm (23.66") of precipitation.Sea temperature
In Arauco, in September, the average water temperature is 12.2°C (54°F).Note: One needs to be cautious in 12.2°C (54°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.
Daylight
In Arauco, the average length of the day in September is 11h and 53min.On the first day of the month, sunrise is at 07:12 and sunset at 18:33 -04. On the last day of September, sunrise is at 07:29 and sunset at 19:56 -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 Arauco, Chile, is 7.6h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index in Arauco. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the average September temperature in Arauco?
What is the average humidity in September in Arauco?
How much does it rain in Arauco in September?
What is the sea water temperature in September in Arauco?
What is the average length of the day in September in Arauco?
When is the sunrise / sunset in September in Arauco?
When does Daylight Saving Time (DST) start in September in Arauco?
How long on average sun shines in September in Arauco?
What are the months with the lowest UV index in Arauco?
What is the UV index reading in September in Arauco?
Average temperature in September
Arauco, Chile
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is January (24.1°C).
The month with the lowest average high temperature is July (12.1°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is January (12.7°C).
The coldest month (with the lowest average low temperature) is July (6.5°C).
Average pressure in September
Arauco, Chile
- Average pressure in September: 1020mbar
The month with the highest atmospheric pressure is September (1020mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).
Average wind speed in September
Arauco, Chile
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is May (10.6km/h).
Average humidity in September
Arauco, Chile
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is January (66%).
Average rainfall in September
Arauco, Chile
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is June (161mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in September
Arauco, Chile
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (1.8 days).
Average sea temperature in September
Arauco, Chile
- Average sea temperature in September: 12.2°C
The best months for swimming (with the highest average sea temperature) are January and March (15.3°C).
The coldest month (with the lowest average sea temperature) is August (11.8°C).
Average daylight in September /
Average sunshine in September
Arauco, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days in September
Arauco, Chile
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is January (28.6 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Arauco, Chile
- Average UV index in September: 3
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 May, June, July, August and September (UV index 3).
Average cloud cover in September
Arauco, Chile
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 11).
Average visibility in September
Arauco, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
Arauco, Chile
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