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September Weather in Chonchi, Chile

Last updated: August 22, 2025

In Chonchi, Chile, the average temperature in September hovers around 8°C (47°F). Expect a chilly minimum of -1°C (30°F) and a pleasant maximum of 19°C (66°F). During this month, you'll encounter about 135 mm (5.3 in) of precipitation over 16 days, paired with an average humidity level of 86%. Plan accordingly for a damp and cool atmosphere!

September Temperature in Chonchi

In September in Chonchi, the average temperature is 8°C (47°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as -1°C (30°F). Therefore, travelers should prepare for a range of weather conditions, packing both warm clothing and lighter layers for the milder days.

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

The chart illustrates September temperature patterns in Chonchi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chonchi, September typically has an average temperature of 8°C (47°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec585955524845444547495357
Data source: Temperature data for Chonchi 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 Chonchi

In Chonchi in September, precipitation amounts to 135 mm (5.3 in) over the course of 16 days.

September Precipitation Trends in Chonchi

The chart displays monthly precipitation patterns in Chonchi, 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 Chonchi, September typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec49408312317320716520913513210769
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chonchi

In Chonchi in September, humidity is 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

September Average Humidity in Chonchi

This chart illustrates the average monthly humidity levels in Chonchi, 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 Chonchi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%82%87%87%86%87%87%86%84%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chonchi

In Chonchi in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Chonchi, you can refer to this Hourly UV Index in Chonchi.

Maximum UV Index Levels in Chonchi for September

The chart shows the monthly maximum UV Index (UVI) for Chonchi 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 Chonchi typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312963224681313
Data source: Chonchi 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 Chonchi Compares to Other Months

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

This table compares monthly weather conditions in Chonchi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)49 mm (1.9 inches)83%extreme
February Weather15°C (60°F)40 mm (1.6 inches)85%extreme
March Weather13°C (56°F)82 mm (3.2 inches)82%very high
April Weather11°C (52°F)123 mm (4.8 inches)87%high
May Weather9°C (49°F)173 mm (6.8 inches)87%moderate
June Weather7°C (45°F)207 mm (8.2 inches)86%low
July Weather7°C (45°F)165 mm (6.5 inches)87%low
August Weather7°C (46°F)209 mm (8.2 inches)87%moderate
September Weather8°C (47°F)135 mm (5.3 inches)86%high
October Weather9°C (49°F)132 mm (5.2 inches)84%very high
November Weather12°C (53°F)107 mm (4.2 inches)82%extreme
December Weather14°C (57°F)69 mm (2.7 inches)84%extreme

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