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
As September unfolds in Puerto Montt, the average high-temperature reaches a still cool 11.8°C (53.2°F), hinting at a slight fluctuation from the previous month. During September, the temperature in Puerto Montt tends to dip to an average of 5°C (41°F) at night.Humidity
In Puerto Montt, Chile, the average relative humidity in September is 84%.Rainfall
In Puerto Montt, in September, it is raining for 18.2 days, with typically 86mm (3.39") of accumulated precipitation. In Puerto Montt, Chile, during the entire year, the rain falls for 194.3 days and collects up to 1256mm (49.45") of precipitation.Sea temperature
In Puerto Montt, in September, the average water temperature is 10.6°C (51.1°F).Note: Engaging in a swim in 10.6°C (51.1°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
The average length of the day in September is 11h and 50min.On the first day of the month, sunrise is at 07:15 and sunset at 18:27 -04. On the last day of September, in Puerto Montt, sunrise is at 07:25 and sunset at 19:57 -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 Puerto Montt is 6.2h.UV index
June, July and September, with an average maximum UV index of 2, are months with the lowest UV index in Puerto Montt, Chile. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in September translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Puerto Montt?
What is the average humidity in September in Puerto Montt?
How many days does it rain in September in Puerto Montt?
What is the sea water temperature in September in Puerto Montt?
How many hours of daylight does Puerto Montt have in September?
When is the sunrise / sunset in September in Puerto Montt?
When does Daylight Saving Time (DST) start in September in Puerto Montt?
How long on average sun shines in September in Puerto Montt?
When is the lowest UV index in Puerto Montt?
What is the UV index reading in September in Puerto Montt?
Average temperature in September
Puerto Montt, Chile
- Average high temperature in September: 11.8°C
The warmest month (with the highest average high temperature) is January (19.3°C).
The month with the lowest average high temperature is July (9.4°C).
- Average low temperature in September: 5°C
The month with the highest average low temperature is February (10.7°C).
The coldest month (with the lowest average low temperature) is July (4.8°C).
Average pressure in September
Puerto Montt, Chile
- Average pressure in September: 1019.3mbar
The month with the highest atmospheric pressure is September (1019.3mbar).
The month with the lowest atmospheric pressure is February (1015.6mbar).
Average wind speed in September
Puerto Montt, Chile
- Average wind speed in September: 11.1km/h
The windiest months (with the highest average wind speed) are July and August (13.3km/h).
The calmest month (with the lowest average wind speed) is April (10.1km/h).
Average humidity in September
Puerto Montt, Chile
- Average humidity in September: 84%
The months with the highest relative humidity are May, June, July and August (87%).
The month with the lowest relative humidity is January (77%).
Average rainfall in September
Puerto Montt, Chile
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is June (178mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in September
Puerto Montt, Chile
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is February (10.2 days).
Average sea temperature in September
Puerto Montt, Chile
- Average sea temperature in September: 10.6°C
The best months for swimming (with the highest average sea temperature) are January and February (14°C).
The coldest months (with the lowest average sea temperature) are July and August (10.4°C).
Average daylight in September /
Average sunshine in September
Puerto Montt, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 3h and 54min).
Average sunshine days in September
Puerto Montt, Chile
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.7 days).
Average UV index in September
Puerto Montt, Chile
- Average UV index in September: 2
The month with the highest UV index is February (UV index 5).
The months with the lowest UV index are June, July and September (UV index 2).
Average cloud cover in September
Puerto Montt, Chile
- Average cloud cover in September: 51
The month with the most cloud cover is June (Cloud cover 60).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility in September
Puerto Montt, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Puerto Montt, Chile
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