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September Weather in Chahal, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Chahal, Guatemala is a comfortable 26°C (79°F). Expect temperatures to dip as low as 21°C (69°F) and soar up to 35°C (95°F). During this month, be prepared for 250 mm (9.8 in) of precipitation spread over 29 days, resulting in a humid atmosphere with an average humidity of 71%.

September Temperature in Chahal

In September in Chahal, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 21°C (69°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Chahal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chahal, September typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec717375798179787979777472
Data source: Temperature data for Chahal 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 Chahal

In Chahal in September, the precipitation amount is 250 mm (9.8 in) spread over 29 days.

September Precipitation Trends in Chahal

The chart displays monthly precipitation patterns in Chahal, 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 Chahal, September typically receives around 250 mm (9.8 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec1241019976166312261252250281230124
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chahal

In Chahal in September, humidity is 71%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel somewhat stifling but offering a tropical ambiance that can be both invigorating and exhausting at the same time.

September Average Humidity in Chahal

This chart illustrates the average monthly humidity levels in Chahal, 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 Chahal is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chahal

In Chahal 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 Chahal.

Maximum UV Index Levels in Chahal for September

The chart shows the monthly maximum UV Index (UVI) for Chahal 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 Chahal typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141313131312109
Data source: Chahal 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 Chahal Compares to Other Months

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

This table compares monthly weather conditions in Chahal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)124 mm (4.9 inches)80%very high
February Weather23°C (74°F)101 mm (4.0 inches)72%extreme
March Weather24°C (75°F)99 mm (3.9 inches)61%extreme
April Weather26°C (79°F)76 mm (3.0 inches)53%extreme
May Weather27°C (81°F)166 mm (6.6 inches)51%extreme
June Weather26°C (80°F)312 mm (12.3 inches)52%extreme
July Weather26°C (79°F)261 mm (10.3 inches)58%extreme
August Weather26°C (79°F)252 mm (9.9 inches)63%extreme
September Weather26°C (79°F)250 mm (9.8 inches)71%extreme
October Weather25°C (78°F)281 mm (11.1 inches)79%extreme
November Weather23°C (74°F)230 mm (9.1 inches)79%very high
December Weather22°C (72°F)124 mm (4.9 inches)74%very high

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