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September Weather in Aguacatan, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Aguacatan, 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 Aguacatan

In September in Aguacatan, 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 Aguacatan a perfect destination for travelers looking to enjoy comfortable weather while exploring.

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

The chart illustrates September temperature patterns in Aguacatan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aguacatan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec575960646463626262626058
Data source: Temperature data for Aguacatan 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 Aguacatan

In Aguacatan in September, the total precipitation amount is 228 mm (9.0 in) spread over 27 days.

September Precipitation Trends in Aguacatan

The chart displays monthly precipitation patterns in Aguacatan, 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 Aguacatan, September typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec231916601732891201972281996725
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aguacatan

In Aguacatan 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 Aguacatan

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

In Aguacatan 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 Aguacatan, you can check here.

Maximum UV Index Levels in Aguacatan for September

The chart shows the monthly maximum UV Index (UVI) for Aguacatan 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 Aguacatan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315161515151414141110
Data source: Aguacatan 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 Aguacatan Compares to Other Months

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

This table compares monthly weather conditions in Aguacatan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)23 mm (0.9 inches)76%extreme
February Weather15°C (59°F)19 mm (0.7 inches)68%extreme
March Weather16°C (61°F)16 mm (0.6 inches)59%extreme
April Weather18°C (64°F)59 mm (2.3 inches)57%extreme
May Weather18°C (64°F)173 mm (6.8 inches)65%extreme
June Weather17°C (63°F)289 mm (11.4 inches)66%extreme
July Weather17°C (62°F)120 mm (4.7 inches)75%extreme
August Weather17°C (62°F)197 mm (7.7 inches)82%extreme
September Weather17°C (63°F)228 mm (9.0 inches)82%extreme
October Weather17°C (62°F)199 mm (7.8 inches)83%extreme
November Weather15°C (60°F)67 mm (2.6 inches)80%extreme
December Weather14°C (58°F)25 mm (1.0 inches)76%very high

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