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September Weather in Los Andes, Chile

Last updated: August 22, 2025

In Los Andes, Chile, the average temperature in September hovers around 6°C (43°F). Expect a range where the minimum can drop to -14°C (8°F), while the maximum can reach a pleasant 23°C (73°F). During this month, you'll encounter precipitation totaling about 28 mm (1.1 in) over approximately 5 days, and an average humidity of 56% makes for a crisp, refreshing atmosphere.

September Temperature in Los Andes

In September in Los Andes, the average temperature is 6°C (43°F). Maximum temperatures can reach 23°C (73°F), while the minimum can drop as low as -14°C (8°F). Be prepared for a wide range of temperatures when traveling during this time.

September Weather in Los Andes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Los Andes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Los Andes, September typically has an average temperature of 6°C (43°F), with highs reaching up to 23°C (73°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec626158524436353943485459
Data source: Temperature data for Los Andes generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Los Andes

In Los Andes in September, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Los Andes

The chart displays monthly precipitation patterns in Los Andes, 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 Los Andes, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec131713144883433428351912
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Los Andes

In Los Andes in September humidity is 56%. With an average temperature of 6°C (43°F), this humidity feels like a crisp chill in the air, making travel slightly uncomfortable and requiring extra layers to stay warm while exploring the surroundings.

September Average Humidity in Los Andes

This chart illustrates the average monthly humidity levels in Los Andes, 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 Los Andes 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 Los Andes

In Los Andes 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 Los Andes.

Maximum UV Index Levels in Los Andes for September

The chart shows the monthly maximum UV Index (UVI) for Los Andes 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 Los Andes typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615139657911131516
Data source: Los Andes 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 Los Andes Compares to Other Months

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

This table compares monthly weather conditions in Los Andes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)13 mm (0.5 inches)41%extreme
February Weather16°C (61°F)17 mm (0.7 inches)41%extreme
March Weather14°C (58°F)13 mm (0.5 inches)46%extreme
April Weather11°C (52°F)14 mm (0.5 inches)52%very high
May Weather7°C (45°F)48 mm (1.9 inches)64%high
June Weather2°C (36°F)83 mm (3.3 inches)71%moderate
July Weather1°C (35°F)42 mm (1.7 inches)75%high
August Weather4°C (39°F)34 mm (1.3 inches)73%very high
September Weather6°C (43°F)28 mm (1.1 inches)56%extreme
October Weather9°C (48°F)35 mm (1.4 inches)61%extreme
November Weather12°C (55°F)19 mm (0.8 inches)52%extreme
December Weather15°C (60°F)12 mm (0.5 inches)39%extreme

Compare Los Andes's Climate with Cities Worldwide