September Weather in Santa Rosa de Lima, Guatemala

Last updated: August 23, 2025

In Santa Rosa de Lima, Guatemala, the average temperature in September hovers around 20°C (68°F), making it a pleasant time to visit. Expect minimum temperatures as low as 14°C (57°F) and highs reaching 28°C (83°F). Be prepared for wet weather with an average precipitation of 314 mm (12.4 in) spread over 28 days, and experience the humidity at a notable 82%.

September Temperature in Santa Rosa de Lima

In September in Santa Rosa de Lima, the average temperature is 20°C (68°F). Maximum temperatures can reach 28°C (83°F), while the minimum can drop as low as 14°C (57°F). It's a great time to visit for those who enjoy mild weather and pleasant days.

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

The chart illustrates September temperature patterns in Santa Rosa de Lima, 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 de Lima, September typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (83°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Santa Rosa de Lima

In Santa Rosa de Lima in September, the total precipitation amount reaches 314 mm (12.4 in) over the course of 28 days.

September Precipitation Trends in Santa Rosa de Lima

The chart displays monthly precipitation patterns in Santa Rosa de Lima, 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 de Lima, September typically receives around 314 mm (12.4 inches) of precipitation spread over approximately 28 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 de Lima

In Santa Rosa de Lima in September humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.

September Average Humidity in Santa Rosa de Lima

This chart illustrates the average monthly humidity levels in Santa Rosa de Lima, 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 de Lima is approximately 82%, 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 de Lima

In Santa Rosa de Lima 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 de Lima, you can check here.

Maximum UV Index Levels in Santa Rosa de Lima for September

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

Data source: Santa Rosa de Lima 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 de Lima Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa de Lima, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	8 mm (0.3 inches)	76%	extreme
February Weather	19°C (66°F)	9 mm (0.4 inches)	68%	extreme
March Weather	20°C (68°F)	7 mm (0.3 inches)	59%	extreme
April Weather	21°C (70°F)	62 mm (2.5 inches)	57%	extreme
May Weather	21°C (69°F)	257 mm (10.1 inches)	65%	extreme
June Weather	20°C (68°F)	378 mm (14.9 inches)	66%	extreme
July Weather	20°C (68°F)	170 mm (6.7 inches)	75%	extreme
August Weather	20°C (68°F)	258 mm (10.2 inches)	82%	extreme
September Weather	20°C (68°F)	314 mm (12.4 inches)	82%	extreme
October Weather	19°C (67°F)	287 mm (11.3 inches)	83%	extreme
November Weather	19°C (66°F)	52 mm (2.0 inches)	80%	very high
December Weather	18°C (65°F)	17 mm (0.7 inches)	76%	very high