September Weather in Constitucion, Chile

Last updated: August 22, 2025

In September, the average temperature in Constitucion, Chile is a pleasant 11°C (53°F). Expect a minimum of 7°C (45°F) and a maximum of 17°C (63°F), providing a comfortable range for outdoor activities. Be prepared for some rain, as 46 mm (1.8 in) of precipitation spread over 5 days might dampen your plans. With an average humidity of 79%, the air will feel refreshingly crisp, making it an ideal time to explore this beautiful destination!

September Temperature in Constitucion

In September in Constitucion, the average temperature is 11°C (53°F). Maximum can reach 17°C (63°F) and minimum can be as low as 7°C (45°F). This mild weather makes it a great time for exploring the sights and enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Constitucion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Constitucion, September typically has an average temperature of 11°C (53°F), with highs reaching up to 17°C (63°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Constitucion generated using information from the Copernicus Climate Change Service.

September Precipitation in Constitucion

In Constitucion in September, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

September Precipitation Trends in Constitucion

The chart displays monthly precipitation patterns in Constitucion, 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 Constitucion, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Constitucion

In Constitucion in September, humidity is 79%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make traveling uncomfortable, as the cool air clings to your skin and dampens your clothes, leaving you seeking shelter and a warm drink more often than not.

September Average Humidity in Constitucion

This chart illustrates the average monthly humidity levels in Constitucion, 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 Constitucion is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Constitucion

In Constitucion 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 Constitucion.

Maximum UV Index Levels in Constitucion for September

The chart shows the monthly maximum UV Index (UVI) for Constitucion 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 Constitucion typically reaches 8, which falls under the very high exposure category.

Data source: Constitucion 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 Constitucion Compares to Other Months

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

This table compares monthly weather conditions in Constitucion, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	6 mm (0.2 inches)	78%	extreme
February Weather	16°C (62°F)	2 mm (0.1 inches)	79%	extreme
March Weather	15°C (60°F)	5 mm (0.2 inches)	79%	extreme
April Weather	14°C (57°F)	25 mm (1.0 inches)	80%	high
May Weather	13°C (56°F)	85 mm (3.3 inches)	82%	moderate
June Weather	12°C (53°F)	174 mm (6.9 inches)	83%	moderate
July Weather	11°C (52°F)	86 mm (3.4 inches)	84%	moderate
August Weather	11°C (52°F)	88 mm (3.5 inches)	83%	moderate
September Weather	11°C (53°F)	46 mm (1.8 inches)	79%	very high
October Weather	12°C (54°F)	27 mm (1.1 inches)	79%	extreme
November Weather	14°C (57°F)	9 mm (0.4 inches)	77%	extreme
December Weather	15°C (59°F)	2 mm (0.1 inches)	76%	extreme