September Weather in Rosario de Mora, El Salvador

Last updated: August 23, 2025

In September, the average temperature in Rosario de Mora, El Salvador hovers around 26°C (79°F), with a comfortable minimum of 23°C (73°F) and a pleasant maximum of 30°C (87°F). Expect around 298 mm (11.7 in) of rain spread over 29 days, contributing to the region's average humidity of 77%.

September Temperature in Rosario de Mora

In September in Rosario de Mora, the average temperature is 26°C (79°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 23°C (73°F). This pleasant climate makes Rosario de Mora an ideal destination for travelers seeking warmth and comfort during their visit.

September Weather in Rosario de Mora: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rosario de Mora, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario de Mora, September typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Rosario de Mora

In Rosario de Mora in September, the precipitation amount is 298 mm (11.7 in) distributed over 29 days.

September Precipitation Trends in Rosario de Mora

The chart displays monthly precipitation patterns in Rosario de Mora, 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 Rosario de Mora, September typically receives around 298 mm (11.7 inches) of precipitation spread over approximately 29 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 Rosario de Mora

In Rosario de Mora in September humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

September Average Humidity in Rosario de Mora

This chart illustrates the average monthly humidity levels in Rosario de Mora, 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 Rosario de Mora is approximately 77%, 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 Rosario de Mora

In Rosario de Mora 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 Rosario de Mora.

Maximum UV Index Levels in Rosario de Mora for September

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

Data source: Rosario de Mora 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 Rosario de Mora Compares to Other Months

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

This table compares monthly weather conditions in Rosario de Mora, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	3 mm (0.1 inches)	63%	extreme
February Weather	26°C (79°F)	3 mm (0.1 inches)	62%	extreme
March Weather	27°C (81°F)	7 mm (0.3 inches)	59%	extreme
April Weather	27°C (81°F)	52 mm (2.0 inches)	59%	extreme
May Weather	26°C (80°F)	275 mm (10.8 inches)	59%	extreme
June Weather	26°C (79°F)	294 mm (11.6 inches)	68%	extreme
July Weather	27°C (81°F)	162 mm (6.4 inches)	77%	extreme
August Weather	26°C (80°F)	274 mm (10.8 inches)	79%	extreme
September Weather	26°C (79°F)	298 mm (11.7 inches)	77%	extreme
October Weather	26°C (78°F)	333 mm (13.1 inches)	77%	extreme
November Weather	26°C (79°F)	67 mm (2.6 inches)	75%	very high
December Weather	26°C (79°F)	7 mm (0.3 inches)	66%	very high