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September Weather in Sayaxche, Guatemala

Last updated: August 23, 2025

In Sayaxche, Guatemala, the average temperature in September is a warm 27°C (81°F). Expect a minimum of 22°C (71°F) and a high of 37°C (99°F). Rainfall can be significant, with 303 mm (11.9 in) expected over 27 days, leading to an average humidity of 77%. Prepare for a mix of steamy days and occasional showers!

September Temperature in Sayaxche

In September in Sayaxche, the average temperature is 27°C (81°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 22°C (71°F). This warm climate makes it an ideal destination for sun-seekers and outdoor enthusiasts alike.

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

The chart illustrates September temperature patterns in Sayaxche, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayaxche, September typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec737680858682818281797674
Data source: Temperature data for Sayaxche 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 Sayaxche

In Sayaxche in September, the precipitation amount is 303 mm (11.9 in) during 27 days, indicating a relatively wet period for the region.

September Precipitation Trends in Sayaxche

The chart displays monthly precipitation patterns in Sayaxche, 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 Sayaxche, September typically receives around 303 mm (11.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec5833344214332818224430328111656
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sayaxche

In Sayaxche in September, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

September Average Humidity in Sayaxche

This chart illustrates the average monthly humidity levels in Sayaxche, 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 Sayaxche is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sayaxche

In Sayaxche 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 Sayaxche.

Maximum UV Index Levels in Sayaxche for September

The chart shows the monthly maximum UV Index (UVI) for Sayaxche 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 Sayaxche typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314131313131312109
Data source: Sayaxche 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 Sayaxche Compares to Other Months

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

This table compares monthly weather conditions in Sayaxche, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)58 mm (2.3 inches)84%very high
February Weather25°C (77°F)33 mm (1.3 inches)73%extreme
March Weather26°C (80°F)34 mm (1.4 inches)59%extreme
April Weather30°C (85°F)42 mm (1.7 inches)52%extreme
May Weather30°C (86°F)143 mm (5.6 inches)53%extreme
June Weather28°C (82°F)328 mm (12.9 inches)55%extreme
July Weather27°C (81°F)181 mm (7.1 inches)61%extreme
August Weather28°C (82°F)244 mm (9.6 inches)71%extreme
September Weather27°C (81°F)303 mm (11.9 inches)77%extreme
October Weather26°C (80°F)281 mm (11.0 inches)78%extreme
November Weather24°C (76°F)116 mm (4.6 inches)82%very high
December Weather23°C (74°F)56 mm (2.2 inches)86%very high

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