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September Weather in El Palmar, Guatemala

Last updated: August 23, 2025

In September, the average temperature in El Palmar, Guatemala hovers around 18°C (65°F). Expect a minimum of 13°C (55°F) and a comfortable maximum of 25°C (77°F). During this period, be prepared for 457 mm (18.0 in) of precipitation spread over 30 days, contributing to a notably high average humidity of 82%.

September Temperature in El Palmar

In September in El Palmar, the average temperature is 18°C (65°F). Maximums can reach 25°C (77°F), and minimums can be as low as 13°C (55°F). Overall, it's a pleasant time to visit with mild weather, ideal for outdoor activities and exploring the sights.

September Weather in El Palmar: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in El Palmar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Palmar, September typically has an average temperature of 18°C (65°F), with highs reaching up to 25°C (77°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec636364646565666565656463
Data source: Temperature data for El Palmar generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in El Palmar

In El Palmar in September, the total precipitation amount is 457 mm (18.0 in) over the course of 30 days.

September Precipitation Trends in El Palmar

The chart displays monthly precipitation patterns in El Palmar, 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 El Palmar, September typically receives around 457 mm (18.0 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec325911024664447725841445737312248
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in El Palmar

In El Palmar in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

September Average Humidity in El Palmar

This chart illustrates the average monthly humidity levels in El Palmar, 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 El Palmar is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in El Palmar

In El Palmar 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 El Palmar, you can check here.

Maximum UV Index Levels in El Palmar for September

The chart shows the monthly maximum UV Index (UVI) for El Palmar 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 El Palmar typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131415141414141413119
Data source: El Palmar 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 El Palmar Compares to Other Months

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

This table compares monthly weather conditions in El Palmar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)32 mm (1.2 inches)76%extreme
February Weather17°C (63°F)59 mm (2.3 inches)68%extreme
March Weather18°C (64°F)110 mm (4.3 inches)59%extreme
April Weather18°C (65°F)246 mm (9.7 inches)57%extreme
May Weather18°C (65°F)644 mm (25.4 inches)65%extreme
June Weather18°C (65°F)477 mm (18.8 inches)66%extreme
July Weather19°C (66°F)258 mm (10.2 inches)75%extreme
August Weather18°C (65°F)414 mm (16.3 inches)82%extreme
September Weather18°C (65°F)457 mm (18.0 inches)82%extreme
October Weather18°C (65°F)373 mm (14.7 inches)83%extreme
November Weather18°C (64°F)122 mm (4.8 inches)80%extreme
December Weather17°C (63°F)48 mm (1.9 inches)76%very high

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