September weather forecast
Osorno, Chile

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Weather in September

September's arrival in Osorno heralds considerable changes in weather patterns, with warmer temperatures and reduced rainfall. The city warms up to Spring with rising temperatures and decreased precipitation signifying a positive transition. Meanwhile, longer daylight hours bring a welcome change from the winter gloom. Additionally, the recorded decrease in cloud cover promotes more sunlight per day, enhancing visibility. As the city leaves winter behind, outdoor activities experience renewed interest due to the pleasant weather onset.

Temperature

The shift from August to September is characterized by an average high-temperature of a still fresh 12.5°C (54.5°F), not significantly different from the 10.5°C (50.9°F) of August. Throughout the month of September, Osorno witnesses an average low-temperature of 3.5°C (38.3°F).

Humidity

In September, the average relative humidity in Osorno, Chile, is 86%.

Rainfall

In Osorno, in September, during 17.6 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, in Osorno, there are 192.5 rainfall days, and 1056mm (41.57") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 51min.
On the first day of September, sunrise is at 07:15 and sunset at 18:29 -04. On the last day of the month, sunrise is at 07:26 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 is 5.9h.

UV index

In Osorno, Chile, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What are the temperatures in Osorno in September?

The average high-temperature and low-temperature in Osorno, Chile, during September are 12.5°C (54.5°F) and 3.5°C (38.3°F) respectively.

What is the average humidity in September in Osorno?

In Osorno, Chile, the average relative humidity in September is 86%.

How many days does it rain in September in Osorno?

In Osorno, in September, it is raining for 17.6 days, with typically 75mm (2.95") of accumulated precipitation.

How many hours of daylight does Osorno have in September?

In Osorno, the average day length in September is 11h and 51min.

When are sunrise and sunset in September in Osorno?

In September, on the first day of the month, sunrise is at 07:15 and sunset at 18:29 -04. On the last day of the month, sunrise is at 07:26 and sunset at 19:57 -03.

When does Daylight Saving Time (DST) start in September in Osorno?

On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts in Osorno, and the time zone changes from -04 to -03. DST ends on Sunday, 06. April 2025, at 00:00.

How many hours of sunshine does Osorno have in September?

In Osorno, the average sunshine duration in September is 5.9h.

How high is the UV index in September in Osorno?

In September, the average daily maximum UV index in Osorno is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Osorno, Chile

Average temperature in September - Osorno, Chile
  • Average high temperature in September: 12.5°C

The warmest months (with the highest average high temperature) are January and February (21.9°C).
The month with the lowest average high temperature is July (9.5°C).

  • Average low temperature in September: 3.5°C

The month with the highest average low temperature is February (9.4°C).
The coldest month (with the lowest average low temperature) is July (3.3°C).

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Average pressure in September
Osorno, Chile

Average pressure in September - Osorno, Chile
  • Average pressure in September: 1019.8mbar

The month with the highest atmospheric pressure is September (1019.8mbar).
The month with the lowest atmospheric pressure is February (1015.8mbar).

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Average wind speed in September
Osorno, Chile

Average wind speed in September - Osorno, Chile
  • Average wind speed in September: 9.6km/h

The windiest months (with the highest average wind speed) are January and December (10.7km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).

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Average humidity in September
Osorno, Chile

Average humidity in September - Osorno, Chile
  • Average humidity in September: 86%

The months with the highest relative humidity are June and July (91%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in September
Osorno, Chile

Average rainfall in September - Osorno, Chile
  • Average rainfall in September: 75mm

The wettest month (with the highest rainfall) is June (175mm).
The driest month (with the least rainfall) is January (26mm).

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Average rainfall days in September
Osorno, Chile

Average rainfall days in September - Osorno, Chile
  • Average rainfall days in September: 17.6 days

The month with the highest number of rainy days is August (21.9 days).
The month with the least rainy days is January (9.1 days).

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Average daylight in September /
Average sunshine in September
Osorno, Chile

Average daylight in September / Average sunshine in September - Osorno, Chile
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 15h and 0min).
The month with the shortest days is June (Average daylight: 9h and 18min).

  • Average sunshine in September: 5h and 5min

The month with the most sunshine is January (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 3h and 30min).

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Average sunshine days in September
Osorno, Chile

Average sunshine days in September - Osorno, Chile
  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is August (7.8 days).

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Average UV index in September
Osorno, Chile

Average UV index in September - Osorno, Chile
  • Average UV index in September: 3

The month with the highest UV index is February (UV index 5).
The months with the lowest UV index are May, June and July (UV index 2).

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Average cloud cover in September
Osorno, Chile

Average cloud cover in September - Osorno, Chile
  • Average cloud cover in September: 57

The month with the most cloud cover is June (Cloud cover 66).
The month with the least cloud cover is January (Cloud cover 37).

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Average visibility in September
Osorno, Chile

Average visibility in September - Osorno, Chile
  • Average visibility in September: 7km

The months with the highest visibility are January, February, March and December (8km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (7km).

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Osorno, Chile

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