September Weather in San Antonio La Paz, Guatemala

Last updated: August 23, 2025

In September, the average temperature in San Antonio La Paz, Guatemala hovers around 23°C (74°F), offering a pleasant climate. However, be prepared for a temperature range that can dip to 15°C (59°F) and soar up to 33°C (92°F). The weather typically brings 134 mm (5.3 in) of precipitation over 19 days, contributing to an average humidity level of 82%.

September Temperature in San Antonio La Paz

In September in San Antonio La Paz, the average temperature is 23°C (74°F). Maximum temperatures can reach 33°C (92°F), while minimums can dip to as low as 15°C (59°F). Overall, this climate makes it an ideal time for travelers looking to enjoy pleasant weather and outdoor activities in San Antonio La Paz.

September Weather in San Antonio La Paz: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antonio La Paz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio La Paz, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec687172767674747474737069
Data source: Temperature data for San Antonio La Paz generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in San Antonio La Paz

In San Antonio La Paz in September, the precipitation amount is 134 mm (5.3 in) over a span of 19 days.

September Precipitation Trends in San Antonio La Paz

The chart displays monthly precipitation patterns in San Antonio La Paz, 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 San Antonio La Paz, September typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec744168317862118134149399
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in San Antonio La Paz

In San Antonio La Paz in September, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

September Average Humidity in San Antonio La Paz

This chart illustrates the average monthly humidity levels in San Antonio La Paz, 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 San Antonio La Paz 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 San Antonio La Paz

In San Antonio La Paz 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 San Antonio La Paz, you can check here.

Maximum UV Index Levels in San Antonio La Paz for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio La Paz 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 San Antonio La Paz typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151414141414131110
Data source: San Antonio La Paz 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 San Antonio La Paz Compares to Other Months

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

This table compares monthly weather conditions in San Antonio La Paz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)7 mm (0.3 inches)76%extreme
February Weather21°C (71°F)4 mm (0.1 inches)68%extreme
March Weather22°C (73°F)4 mm (0.2 inches)59%extreme
April Weather24°C (76°F)16 mm (0.6 inches)57%extreme
May Weather24°C (76°F)83 mm (3.3 inches)65%extreme
June Weather23°C (74°F)178 mm (7.0 inches)66%extreme
July Weather23°C (74°F)62 mm (2.5 inches)75%extreme
August Weather23°C (74°F)118 mm (4.6 inches)82%extreme
September Weather23°C (74°F)134 mm (5.3 inches)82%extreme
October Weather23°C (73°F)149 mm (5.9 inches)83%extreme
November Weather21°C (70°F)39 mm (1.5 inches)80%extreme
December Weather20°C (69°F)9 mm (0.3 inches)76%very high

Compare San Antonio La Paz's Climate with Cities Worldwide