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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Chile, check out our Valdivia's climate page.

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  

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

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

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

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather 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.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Valdivia historical weather extremes in September

Based on weather observations in Valdivia between 2004 and 2025, 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 1, 2017, when 67 mm (2.6 in) of precipitation fell.

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Chile, check out our Valdivia's climate page.

More climate data for Valdivia

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Valdivia climate overview or explore weather in Chile.