September Weather in Santa Rosa, Ecuador

Last updated: August 23, 2025

In September, the average temperature in Santa Rosa, Ecuador is a pleasant 23°C (74°F), making it a great time to enjoy the outdoors. Expect minimum temperatures of 17°C (63°F) and maximum highs reaching up to 30°C (86°F). While the weather is usually warm, you might encounter some precipitation, totaling about 32 mm (1.3 in) over 9 days. With an average humidity of 86%, it’s wise to stay hydrated and enjoy the lush, vibrant atmosphere!

September Temperature in Santa Rosa

In September in Santa Rosa, the average temperature is 23°C (74°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as 17°C (63°F). This makes it an ideal time for travelers seeking pleasant weather for outdoor activities.

September Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, September typically has an average temperature of 23°C (74°F), with highs reaching up to 30°C (86°F) and lows dropping to around 17°C (63°F).

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

September Precipitation in Santa Rosa

In Santa Rosa in September, the precipitation amount is 32 mm (1.3 in) over the course of 9 days.

September Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 9 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 Santa Rosa

In Santa Rosa in September, humidity is 86%. With an average temperature of 23°C (74°F), this humidity feels like you're stepping into a warm embrace, making travel a bit sticky yet invigorating, as the air wraps around you, inviting you to explore while reminding you to stay hydrated.

September Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 86%, 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 Santa Rosa

In Santa Rosa in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Rosa, you can check here.

Maximum UV Index Levels in Santa Rosa for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 14, which falls under the extreme exposure category.

Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, 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 (78°F)	230 mm (9.1 inches)	88%	extreme
February Weather	26°C (79°F)	370 mm (14.6 inches)	87%	extreme
March Weather	26°C (79°F)	573 mm (22.6 inches)	86%	extreme
April Weather	26°C (79°F)	257 mm (10.1 inches)	84%	extreme
May Weather	25°C (77°F)	207 mm (8.1 inches)	87%	extreme
June Weather	24°C (75°F)	79 mm (3.1 inches)	87%	extreme
July Weather	23°C (73°F)	65 mm (2.6 inches)	84%	extreme
August Weather	22°C (73°F)	35 mm (1.4 inches)	84%	extreme
September Weather	23°C (74°F)	32 mm (1.3 inches)	86%	extreme
October Weather	23°C (74°F)	66 mm (2.6 inches)	86%	extreme
November Weather	24°C (75°F)	57 mm (2.2 inches)	87%	extreme
December Weather	25°C (77°F)	129 mm (5.1 inches)	88%	extreme