September Weather in Melipilla, Chile

Last updated: August 22, 2025

In September, the average temperature in Melipilla, Chile hovers around 12°C (54°F). Expect a minimum of 0°C (33°F) and a maximum of 28°C (82°F), offering a delightful mix of cool and warm days. Throughout the month, anticipate about 24 mm (1.0 in) of precipitation spread over 4 days, accompanied by an average humidity level of 56%. Enjoy the varied climate!

September Temperature in Melipilla

In September, in Melipilla, the average temperature is 12°C (54°F). Maximums can reach 28°C (82°F), and minimums can be as low as 0°C (33°F). Be prepared for varied weather conditions, making it ideal for versatile travel experiences.

September Weather in Melipilla: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Melipilla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melipilla, September typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec686764585449485053586366
Data source: Temperature data for Melipilla 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 Melipilla

In Melipilla in September, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.

September Precipitation Trends in Melipilla

The chart displays monthly precipitation patterns in Melipilla, 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 Melipilla, September typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec95313451125641242252
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Melipilla

In Melipilla 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 Melipilla

This chart illustrates the average monthly humidity levels in Melipilla, 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 Melipilla 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 Melipilla

In Melipilla 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 Melipilla.

Maximum UV Index Levels in Melipilla for September

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

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

This table compares monthly weather conditions in Melipilla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)9 mm (0.4 inches)41%extreme
February Weather19°C (67°F)5 mm (0.2 inches)41%extreme
March Weather18°C (64°F)3 mm (0.1 inches)46%extreme
April Weather15°C (59°F)13 mm (0.5 inches)52%very high
May Weather12°C (54°F)45 mm (1.8 inches)64%moderate
June Weather9°C (49°F)112 mm (4.4 inches)71%moderate
July Weather9°C (48°F)56 mm (2.2 inches)75%moderate
August Weather10°C (50°F)41 mm (1.6 inches)73%moderate
September Weather12°C (54°F)24 mm (1.0 inches)56%very high
October Weather14°C (58°F)22 mm (0.9 inches)61%extreme
November Weather17°C (64°F)5 mm (0.2 inches)52%extreme
December Weather19°C (66°F)2 mm (0.1 inches)39%extreme

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