September weather forecast
Valdivia, Chile

The arrival of spring in Valdivia in September brings mild warmth, with temperatures rising to 14.3°C (57.7°F). This result of climate metamorphosis from August lays the path for sunny days and blooming landscapes. The welcomed rise in sunshine hours and a decrease in rainfall symbolizes the commencement of the dry spell. With humidity dropping further, the weather becomes more comfortable. It presents an excellent opportunity for outdoor pursuits and exploration.

Temperature

Valdivia greets September with an average high-temperature of a refreshing 14.3°C (57.7°F), marking a slight deviation from the preceding month. An average low-temperature of 5.2°C (41.4°F) is common in Valdivia during the nights of September.

Humidity

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

Rainfall

In September, the rain falls for 16 days. Throughout September, 142mm (5.59") of precipitation is 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, Chile, are July through October, with an average sea temperature of 12°C (53.6°F).
Note: It is advised against swimming in 12°C (53.6°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In Valdivia, the average length of the day in September is 11h and 52min.
On the first day of September, sunrise is at 07:14 and sunset at 18:30 -04. On the last day of the month, sunrise is at 07:27 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

In September, the average sunshine in Valdivia, Chile, 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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.