September Weather in Santa Lucia La Reforma, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Santa Lucia La Reforma, Guatemala is a comfortable 17°C (63°F), with lows dipping to 9°C (49°F) and highs reaching up to 25°C (77°F). Expect a fair amount of rain, with 228 mm (9.0 in) of precipitation spread over 27 days. Humidity levels are relatively high, averaging at 82%, making for a refreshing yet damp atmosphere.

September Temperature in Santa Lucia La Reforma

In September in Santa Lucia La Reforma, the average temperature is 17°C (63°F). Maximums can reach 25°C (77°F), while minimums can drop to as low as 9°C (49°F). This mild climate makes Santa Lucia La Reforma a perfect destination for travelers looking to enjoy comfortable weather while exploring.

September Weather in Santa Lucia La Reforma: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Lucia La Reforma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia La Reforma, September typically has an average temperature of 17°C (63°F), with highs reaching up to 25°C (77°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Santa Lucia La Reforma

In Santa Lucia La Reforma in September, the total precipitation amount is 228 mm (9.0 in) spread over 27 days.

September Precipitation Trends in Santa Lucia La Reforma

The chart displays monthly precipitation patterns in Santa Lucia La Reforma, 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 Lucia La Reforma, September typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 27 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 Lucia La Reforma

In Santa Lucia La Reforma in September, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

September Average Humidity in Santa Lucia La Reforma

This chart illustrates the average monthly humidity levels in Santa Lucia La Reforma, 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 Lucia La Reforma 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 Lucia La Reforma

In Santa Lucia La Reforma 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 Lucia La Reforma, you can check here.

Maximum UV Index Levels in Santa Lucia La Reforma for September

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

Data source: Santa Lucia La Reforma 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 Lucia La Reforma Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia La Reforma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	23 mm (0.9 inches)	76%	extreme
February Weather	15°C (59°F)	19 mm (0.7 inches)	68%	extreme
March Weather	16°C (61°F)	16 mm (0.6 inches)	59%	extreme
April Weather	18°C (64°F)	59 mm (2.3 inches)	57%	extreme
May Weather	18°C (64°F)	173 mm (6.8 inches)	65%	extreme
June Weather	17°C (63°F)	289 mm (11.4 inches)	66%	extreme
July Weather	17°C (62°F)	120 mm (4.7 inches)	75%	extreme
August Weather	17°C (62°F)	197 mm (7.7 inches)	82%	extreme
September Weather	17°C (63°F)	228 mm (9.0 inches)	82%	extreme
October Weather	17°C (62°F)	199 mm (7.8 inches)	83%	extreme
November Weather	15°C (60°F)	67 mm (2.6 inches)	80%	extreme
December Weather	14°C (58°F)	25 mm (1.0 inches)	76%	very high