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September Weather in El Monte, Chile

Last updated: August 22, 2025

In September, the average temperature in El Monte, Chile hovers around 12°C (54°F), with a minimum dipping to 1°C (34°F) and occasionally soaring to a maximum of 30°C (86°F). Expect about 33 mm (1.3 in) of precipitation over 4 days, and enjoy a comfortable average humidity of 56%.

September Temperature in El Monte

In September in El Monte, the average temperature is 12°C (54°F). The maximum can reach 30°C (86°F), while the minimum can drop as low as 1°C (34°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort throughout the day.

September Weather in El Monte: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Monte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Monte, September typically has an average temperature of 12°C (54°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec706966595448475054586569
Data source: Temperature data for El Monte 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 El Monte

In El Monte in September, the precipitation amount is 33 mm (1.3 in) over a span of 4 days.

September Precipitation Trends in El Monte

The chart displays monthly precipitation patterns in El Monte, 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 El Monte, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec138516551266750333164
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Monte

In El Monte in September, humidity is 56%. With an average temperature of 12°C (54°F), this humidity feels like a fresh chill in the air, making travel invigorating but requiring a light jacket to stay comfortable during outings.

September Average Humidity in El Monte

This chart illustrates the average monthly humidity levels in El Monte, 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 El Monte 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 El Monte

In El Monte in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in El Monte.

Maximum UV Index Levels in El Monte for September

The chart shows the monthly maximum UV Index (UVI) for El Monte 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 El Monte typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311853458111314
Data source: El Monte 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 El Monte Compares to Other Months

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

This table compares monthly weather conditions in El Monte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)13 mm (0.5 inches)41%extreme
February Weather21°C (69°F)8 mm (0.3 inches)41%extreme
March Weather19°C (66°F)5 mm (0.2 inches)46%extreme
April Weather15°C (60°F)16 mm (0.6 inches)52%very high
May Weather12°C (54°F)55 mm (2.2 inches)64%moderate
June Weather9°C (49°F)126 mm (4.9 inches)71%moderate
July Weather8°C (47°F)67 mm (2.6 inches)75%moderate
August Weather10°C (50°F)50 mm (2.0 inches)73%moderate
September Weather12°C (54°F)33 mm (1.3 inches)56%very high
October Weather15°C (59°F)31 mm (1.2 inches)61%extreme
November Weather18°C (65°F)6 mm (0.3 inches)52%extreme
December Weather20°C (69°F)4 mm (0.1 inches)39%extreme

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