September weather forecast
Valdivia, Chile

Weather in September

The first month of the spring, September, is a moderate month in Valdivia, Chile, with an average temperature fluctuating between 5.2°C (41.4°F) and 14.3°C (57.7°F).

Temperature

In September, the average high-temperature is almost the same as in August - a mild 14.3°C (57.7°F). In Valdivia, in September, the average low-temperature is 5.2°C (41.4°F).

Humidity

In Valdivia, the average relative humidity in September is 76%.

Rainfall

In Valdivia, during 16 rainfall days, 142mm (5.59") of precipitation is typically accumulated. Throughout the year, in Valdivia, there are 177 rainfall days, and 1788mm (70.39") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater in Valdivia are July through October, with an average sea temperature of 12°C (53.6°F).
Note: Swimming in 12°C (53.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Valdivia, Chile, the average length of the day in September is 11h and 52min.
On the first day of September, sunrise is at 07:16 and sunset at 18:29 -04. On the last day of the month, sunrise is at 07:28 and sunset at 19:57 -03.
Note: On Sunday, 03. September 2023, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 07. April 2024, at 00:00; consequently, the time zone reverts from -03 to -04.

Sunshine

In September, the average sunshine is 4.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Valdivia?

In September, the average high-temperature is 14.3°C (57.7°F), and the average low-temperature is 5.2°C (41.4°F).

What is the average humidity in September in Valdivia?

In Valdivia, Chile, the average relative humidity in September is 76%.

How much does it rain in Valdivia in September?

In Valdivia, Chile, in September, during 16 rainfall days, 142mm (5.59") of precipitation is typically accumulated.

What months are the sea coldest in Valdivia?

July through October, with an average sea temperature of 12°C (53.6°F), are months with the coldest seawater in Valdivia, Chile.

What is the sea water temperature in September in Valdivia?

In Valdivia, Chile, the average seawater temperature in September is 12°C (53.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Valdivia have in September?

The average day length in September is 11h and 52min.

What time are sunrise and sunset in September in Valdivia?

In September, on the first day of the month, sunrise is at 07:16 and sunset at 18:29 -04. On the last day of the month, in Valdivia, Chile, sunrise is at 07:28 and sunset at 19:57 -03.

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

On Sunday, 03. September 2023, at 00:00, Daylight Saving Time starts in Valdivia, and the time zone changes from -04 to -03. DST ends on Sunday, 07. April 2024, at 00:00.

How long on average sun shines in September in Valdivia?

In Valdivia, Chile, the average sunshine duration in September is 4.9h.

What is the UV index reading in September in Valdivia?

In Valdivia, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Valdivia, Chile

Average temperature in September - Valdivia, Chile
  • Average high temperature in September: 14.3°C

The warmest month (with the highest average high temperature) is February (22.9°C).
The month with the lowest average high temperature is July (10.5°C).

  • Average low temperature in September: 5.2°C

The month with the highest average low temperature is January (10.5°C).
The coldest month (with the lowest average low temperature) is August (4.5°C).

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Average humidity in September
Valdivia, Chile

Average humidity in September - Valdivia, Chile
  • Average humidity in September: 76%

The month with the highest relative humidity is June (89%).
The month with the lowest relative humidity is January (63%).

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Average rainfall in September
Valdivia, Chile

Average rainfall in September - Valdivia, Chile
  • Average rainfall in September: 141.7mm

The wettest month (with the highest rainfall) is June (325.7mm).
The driest month (with the least rainfall) is February (46mm).

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Average rainfall days in September
Valdivia, Chile

Average rainfall days in September - Valdivia, Chile
  • Average rainfall days in September: 16 days

The months with the highest number of rainy days are May, June and July (22 days).
The month with the least rainy days is February (7 days).

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Average sea temperature in September
Valdivia, Chile

Average sea temperature in September - Valdivia, Chile
  • Average sea temperature in September: 12°C

The best months for swimming (with the highest average sea temperature) are January, February and March (16°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (12°C).

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

Average daylight in September / Average sunshine in September - Valdivia, Chile
  • Average daylight in September: 11h and 52min

The month with the longest days is December (Average daylight: 14h and 56min).
The month with the shortest days is June (Average daylight: 9h and 23min).

  • Average sunshine in September: 4h and 54min

The months with the most sunshine are January and February (Average sunshine: 9h and 18min).
The month with the least sunshine is June (Average sunshine: 1h and 30min).

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Average UV index in September
Valdivia, Chile

Average UV index in September - Valdivia, Chile
  • Average UV index in September: 4

The months with the highest UV index are January and December (UV index 11).
The months with the lowest UV index are May, June and July (UV index 2).

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