September Weather in Parrita, Costa Rica

Last updated: August 23, 2025

In Parrita, Costa Rica, the average temperature in September hovers around 25°C (77°F), providing a pleasant climate for outdoor activities. You can expect a minimum temperature of 22°C (72°F) and a maximum of 28°C (83°F), making it comfortably warm. However, prepare for a significant precipitation amount of 931 mm (36.7 in) over 30 days, paired with an average humidity of 81%. Embrace the unique weather while enjoying all that this vibrant place has to offer!

September Temperature in Parrita

In September in Parrita, the average temperature is 25°C (77°F). Maximum can reach 28°C (83°F) and minimum can be as low as 22°C (72°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the outdoor activities that Parrita has to offer.

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

The chart illustrates September temperature patterns in Parrita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parrita, September typically has an average temperature of 25°C (77°F), with highs reaching up to 28°C (83°F) and lows dropping to around 22°C (72°F).

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

September Precipitation in Parrita

In Parrita in September, the total precipitation amount is 931 mm (36.7 in) over a span of 30 days.

September Precipitation Trends in Parrita

The chart displays monthly precipitation patterns in Parrita, 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 Parrita, September typically receives around 931 mm (36.7 inches) of precipitation spread over approximately 30 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Parrita

In Parrita in September, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Parrita

This chart illustrates the average monthly humidity levels in Parrita, 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 Parrita is approximately 81%, 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 Parrita

In Parrita 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 Parrita.

Maximum UV Index Levels in Parrita for September

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

Data source: Parrita 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 Parrita Compares to Other Months

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

This table compares monthly weather conditions in Parrita, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	191 mm (7.5 inches)	68%	extreme
February Weather	25°C (78°F)	102 mm (4.0 inches)	68%	extreme
March Weather	26°C (79°F)	107 mm (4.2 inches)	66%	extreme
April Weather	26°C (78°F)	320 mm (12.6 inches)	67%	extreme
May Weather	25°C (78°F)	820 mm (32.3 inches)	69%	extreme
June Weather	25°C (78°F)	696 mm (27.4 inches)	84%	extreme
July Weather	25°C (77°F)	825 mm (32.5 inches)	85%	extreme
August Weather	25°C (77°F)	914 mm (36.0 inches)	82%	extreme
September Weather	25°C (77°F)	931 mm (36.7 inches)	81%	extreme
October Weather	25°C (77°F)	967 mm (38.1 inches)	80%	extreme
November Weather	25°C (76°F)	822 mm (32.4 inches)	80%	extreme
December Weather	25°C (77°F)	456 mm (18.0 inches)	72%	very high