nomadseason

September Weather in Puente Alto, Chile

Last updated: August 22, 2025

In September, the average temperature in Puente Alto, Chile hovers around 8°C (47°F). Temperatures can dip as low as -9°C (15°F) or soar to a pleasant 25°C (77°F). Expect some rain, with 48 mm (1.9 in) of precipitation spread over approximately 6 days. The air carries a moderate 56% humidity, making it a unique month to experience the local climate!

September Temperature in Puente Alto

In September in Puente Alto, the average temperature is 8°C (47°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -9°C (15°F). This varied climate makes it essential to pack for both warm and cold conditions when traveling to Puente Alto during this time.

September Weather in Puente Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Puente Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puente Alto, September typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec646360544739384246515862
Data source: Temperature data for Puente Alto generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Puente Alto

In Puente Alto in September, the precipitation amount is 48 mm (1.9 in) distributed over 6 days.

September Precipitation Trends in Puente Alto

The chart displays monthly precipitation patterns in Puente Alto, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Puente Alto, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2015102359106626148573214
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Puente Alto

In Puente Alto in September humidity is 56%. With an average temperature of 8°C (47°F), this humidity feels like a brisk chill in the air, adding a refreshing but potentially uncomfortable bite to your travels.

September Average Humidity in Puente Alto

This chart illustrates the average monthly humidity levels in Puente Alto, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Puente Alto is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%46%52%64%71%75%73%56%61%52%39%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Puente Alto

In Puente Alto in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Puente Alto.

Maximum UV Index Levels in Puente Alto for September

The chart shows the monthly maximum UV Index (UVI) for Puente Alto in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Puente Alto typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514128646811121415
Data source: Puente Alto September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Puente Alto Compares to Other Months

Weather in Puente Alto varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puente Alto, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Puente Alto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)20 mm (0.8 inches)41%extreme
February Weather17°C (64°F)15 mm (0.6 inches)41%extreme
March Weather16°C (60°F)10 mm (0.4 inches)46%extreme
April Weather12°C (55°F)23 mm (0.9 inches)52%very high
May Weather8°C (47°F)59 mm (2.3 inches)64%high
June Weather4°C (39°F)106 mm (4.2 inches)71%moderate
July Weather4°C (39°F)62 mm (2.4 inches)75%high
August Weather5°C (42°F)61 mm (2.4 inches)73%very high
September Weather8°C (47°F)48 mm (1.9 inches)56%extreme
October Weather10°C (51°F)57 mm (2.3 inches)61%extreme
November Weather14°C (58°F)32 mm (1.3 inches)52%extreme
December Weather17°C (62°F)14 mm (0.6 inches)39%extreme

Compare Puente Alto's Climate with Cities Worldwide