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September Weather in Uspantan, Guatemala

Last updated: August 23, 2025

In September, the average temperature in Uspantan, Guatemala hovers around 19°C (67°F), making it a comfortable time of year. Expect minimum temperatures to dip to 12°C (54°F), while highs can reach up to 28°C (82°F). Be prepared for some rainfall, as the area typically receives 319 mm (12.6 in) of precipitation over 29 days. With an average humidity of 82%, it's a great month for those who enjoy a lush, tropical vibe!

September Temperature in Uspantan

In September in Uspantan, the average temperature is 19°C (67°F). Maximums can reach 28°C (82°F) and minimums can be as low as 12°C (54°F). This pleasant climate makes it a perfect time for travelers to explore the outdoors and enjoy various activities.

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

The chart illustrates September temperature patterns in Uspantan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uspantan, September typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (82°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec616364686868666767666362
Data source: Temperature data for Uspantan 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 Uspantan

In Uspantan in September, the precipitation amount is 319 mm (12.6 in) over the course of 29 days.

September Precipitation Trends in Uspantan

The chart displays monthly precipitation patterns in Uspantan, 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 Uspantan, September typically receives around 319 mm (12.6 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec7659568425434228234331931117573
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Uspantan

In Uspantan in September humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

September Average Humidity in Uspantan

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

In Uspantan 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 Uspantan, you can check here.

Maximum UV Index Levels in Uspantan for September

The chart shows the monthly maximum UV Index (UVI) for Uspantan 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 Uspantan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414151414131110
Data source: Uspantan 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 Uspantan Compares to Other Months

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

This table compares monthly weather conditions in Uspantan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)76 mm (3.0 inches)76%extreme
February Weather17°C (63°F)59 mm (2.3 inches)68%extreme
March Weather18°C (64°F)56 mm (2.2 inches)59%extreme
April Weather20°C (68°F)84 mm (3.3 inches)57%extreme
May Weather20°C (69°F)254 mm (10.0 inches)65%extreme
June Weather20°C (68°F)342 mm (13.5 inches)66%extreme
July Weather19°C (67°F)282 mm (11.1 inches)75%extreme
August Weather19°C (67°F)343 mm (13.5 inches)82%extreme
September Weather19°C (67°F)319 mm (12.6 inches)82%extreme
October Weather19°C (66°F)311 mm (12.2 inches)83%extreme
November Weather17°C (64°F)175 mm (6.9 inches)80%extreme
December Weather16°C (62°F)73 mm (2.9 inches)76%very high

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