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September Weather in Chajul, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Chajul, Guatemala hovers around 20°C (68°F), with comfortable lows of 14°C (57°F) and pleasant highs reaching up to 27°C (81°F). However, be prepared for some rain, as the area receives an average precipitation of 284 mm (11.2 in) over 28 days. Don't forget to account for the average humidity of 82%, which can make the air feel quite muggy!

September Temperature in Chajul

In September in Chajul, the average temperature is 20°C (68°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 14°C (57°F). This mild climate makes it an ideal time for travelers to explore the beautiful surroundings and enjoy outdoor activities.

September Weather in Chajul: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Chajul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chajul, September typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec616364687068676868676462
Data source: Temperature data for Chajul 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 Chajul

In Chajul in September, the precipitation amount is 284 mm (11.2 in) during a span of 28 days.

September Precipitation Trends in Chajul

The chart displays monthly precipitation patterns in Chajul, 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 Chajul, September typically receives around 284 mm (11.2 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec111765686195408202275284280198106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chajul

In Chajul 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 Chajul

This chart illustrates the average monthly humidity levels in Chajul, 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 Chajul 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 Chajul

In Chajul 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 Chajul, you can check here.

Maximum UV Index Levels in Chajul for September

The chart shows the monthly maximum UV Index (UVI) for Chajul 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 Chajul typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151414131110
Data source: Chajul 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 Chajul Compares to Other Months

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

This table compares monthly weather conditions in Chajul, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)111 mm (4.4 inches)76%extreme
February Weather17°C (63°F)76 mm (3.0 inches)68%extreme
March Weather18°C (64°F)56 mm (2.2 inches)59%extreme
April Weather20°C (68°F)86 mm (3.4 inches)57%extreme
May Weather21°C (70°F)195 mm (7.7 inches)65%extreme
June Weather20°C (69°F)408 mm (16.1 inches)66%extreme
July Weather19°C (67°F)202 mm (7.9 inches)75%extreme
August Weather20°C (68°F)275 mm (10.8 inches)82%extreme
September Weather20°C (68°F)284 mm (11.2 inches)82%extreme
October Weather19°C (67°F)280 mm (11.0 inches)83%extreme
November Weather18°C (64°F)198 mm (7.8 inches)80%extreme
December Weather17°C (62°F)106 mm (4.2 inches)76%very high

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