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Puente Alto Weather in September

September in Puente Alto averages 16°C (61°F) during the day and 2°C (36°F) at night. Quite a bit of rainfall is typical this month, with around 77 mm (3 in) on average. An umbrella is a good idea.

Rainfall in Puente Alto in September

Looking at the last 30 years, the data shows about 4 days with rain, averaging 77 mm (3 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in Puente Alto in September

In September, Puente Alto sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 2°C (36°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Puente Alto in September

With about 186 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Puente Alto.

Select a Month

Check the conditions for any month of the year.

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

Puente Alto Temperature in September

Min TemperatureMin Temperature 2°C (36°F)  
Max TemperatureMax Temperature 16°C (61°F)  
Chance of RainChance of Rain 13%  
PrecipitationPrecipitation 77 mm (3 in)  
Rainy daysRainy days 4 days  
HumidityHumidity 76% *  
SunshineSunshine 186 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Santiago, Chile (20 KM, 12 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Puente Alto typically stay consistent throughout September, with daily highs averaging around 16°C (61°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 7°C (45°F).

Average temperatures in September

Historical weather for Puente Alto in September

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

Puente Alto historical weather extremes in September

According to our 32 years of weather records for Puente Alto, the following extremes were recorded between 1993 and 2025.

  • Puente Alto recorded its highest September temperature of 32°C (90°F) on September 24, 2021.
  • The coldest September day was on September 7, 1999, with a maximum of 8°C (46°F).
  • The lowest overnight temperature recorded in September was -3°C (27°F) (September 29, 2013).

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Puente Alto in September

Pack for changing conditions in Puente Alto in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Puente Alto in September

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

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Puente Alto