Valdivia
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Valdivia Weather in September

Valdivia in September averages 15°C (59°F) during the day and 5°C (41°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Valdivia in September

Typically, you can expect about 7 days of rain this month, with 154 mm (6.1 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Valdivia in September

September in Valdivia brings typical temperatures with highs around 15°C (59°F) and lows of 5°C (41°F). Conditions are often most pleasant around the middle of the day. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Valdivia in September

The month experiences a moderate amount of sunlight, with 151 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Valdivia in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

Average water temperature in September

The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

For Valdivia itself, January, February, March and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Valdivia Temperature in September

Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Water Temperature
11°C (52°F)
Chance of Rain
24%
Precipitation
154 mm (6.1 in)
Rainy days
7 days
Humidity
76%
Windspeed
2 m/s (4 knots)
Sunshine
151 hours
Percentage Sunshine

Valdivia Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Valdivia - and find the best time to visit.

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Valdivia typically stay consistent throughout September, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).

Average temperatures in September

Daily Historical Precipitation

49-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Valdivia in September

Browse day-by-day weather records for Valdivia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Valdivia historical weather extremes in September

Based on weather observations in Valdivia between 2004 and 2026, these are the recorded extremes during September.

  • On September 25, 2012, temperatures climbed to 26°C (79°F), marking the warmest September day on record.
  • On September 4, 2009, Valdivia saw its coldest September day with temperatures maxing out at 9°C (48°F).
  • Valdivia registered its coldest September night on September 3, 2019, with temperatures dropping to -5°C (23°F).
  • The heaviest September precipitation occurred on September 23, 2026, when 84 mm (3.3 in) of precipitation fell.

Best Places in Chile in September

Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Valdivia in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 11°C (52°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Valdivia in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Valdivia 3-Day Forecast

More climate data for Valdivia

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.