September Weather in Canas, Costa Rica

Last updated: August 23, 2025

In September, the average temperature in Canas, Costa Rica is a pleasant 24°C (76°F). Expect minimums of 20°C (69°F) and highs reaching 32°C (89°F). Be prepared for significant rainfall, with 265 mm (10.4 in) of precipitation over 29 days, and a comfortable average humidity of 80%.

September Temperature in Canas

In September in Canas, the average temperature is 24°C (76°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop as low as 20°C (69°F). This makes Canas an ideal destination for travelers seeking pleasant weather and comfortable conditions.

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

The chart illustrates September temperature patterns in Canas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Canas, September typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Canas

In Canas in September, the precipitation amount is 265 mm (10.4 in) spread over 29 days.

September Precipitation Trends in Canas

The chart displays monthly precipitation patterns in Canas, 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 Canas, September typically receives around 265 mm (10.4 inches) of precipitation spread over approximately 29 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 Canas

In Canas in September humidity is 80%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make exploring outdoors quite draining, so it's essential to stay hydrated and take breaks in the shade while traveling.

September Average Humidity in Canas

This chart illustrates the average monthly humidity levels in Canas, 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 Canas is approximately 80%, 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 Canas

In Canas in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Canas.

Maximum UV Index Levels in Canas for September

The chart shows the monthly maximum UV Index (UVI) for Canas 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 Canas typically reaches 13, which falls under the extreme exposure category.

Data source: Canas 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 Canas Compares to Other Months

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

This table compares monthly weather conditions in Canas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	27 mm (1.1 inches)	66%	extreme
February Weather	24°C (75°F)	8 mm (0.3 inches)	64%	extreme
March Weather	24°C (75°F)	9 mm (0.4 inches)	63%	extreme
April Weather	25°C (77°F)	54 mm (2.1 inches)	63%	extreme
May Weather	25°C (77°F)	264 mm (10.4 inches)	63%	extreme
June Weather	25°C (76°F)	290 mm (11.4 inches)	74%	extreme
July Weather	24°C (76°F)	159 mm (6.3 inches)	85%	extreme
August Weather	24°C (76°F)	275 mm (10.8 inches)	82%	extreme
September Weather	24°C (76°F)	265 mm (10.4 inches)	80%	extreme
October Weather	24°C (75°F)	385 mm (15.2 inches)	79%	extreme
November Weather	24°C (75°F)	159 mm (6.2 inches)	79%	extreme
December Weather	23°C (74°F)	57 mm (2.2 inches)	70%	very high