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September Weather in San Bartolome Jocotenango, Guatemala

Last updated: August 23, 2025

In September, the average temperature in San Bartolome Jocotenango, Guatemala hovers around 18°C (65°F), making it a pleasant time to visit. Expect minimums of 11°C (52°F) and maximums reaching 26°C (80°F). However, be prepared for the rain, with 234 mm (9.2 in) of precipitation expected over 28 days. With an average humidity of 82%, it's wise to pack accordingly for a humid experience!

September Temperature in San Bartolome Jocotenango

In September in San Bartolome Jocotenango, the average temperature is 18°C (65°F), with maximums reaching up to 26°C (80°F) and minimums dipping as low as 11°C (52°F). This pleasant weather makes it a great time for outdoor activities and exploring the local attractions.

September Weather in San Bartolome Jocotenango: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Bartolome Jocotenango, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Bartolome Jocotenango, September typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (80°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec596162666665646465646160
Data source: Temperature data for San Bartolome Jocotenango 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 San Bartolome Jocotenango

In San Bartolome Jocotenango in September, the precipitation amount is 234 mm (9.2 in) over a period of 28 days.

September Precipitation Trends in San Bartolome Jocotenango

The chart displays monthly precipitation patterns in San Bartolome Jocotenango, 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 Bartolome Jocotenango, September typically receives around 234 mm (9.2 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec373124681822881672322342209838
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Bartolome Jocotenango

In San Bartolome Jocotenango in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

September Average Humidity in San Bartolome Jocotenango

This chart illustrates the average monthly humidity levels in San Bartolome Jocotenango, 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 Bartolome Jocotenango 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 Bartolome Jocotenango

In San Bartolome Jocotenango 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 Bartolome Jocotenango, you can check here.

Maximum UV Index Levels in San Bartolome Jocotenango for September

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

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

This table compares monthly weather conditions in San Bartolome Jocotenango, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)37 mm (1.5 inches)76%extreme
February Weather16°C (61°F)31 mm (1.2 inches)68%extreme
March Weather17°C (62°F)24 mm (0.9 inches)59%extreme
April Weather19°C (66°F)68 mm (2.7 inches)57%extreme
May Weather19°C (66°F)182 mm (7.2 inches)65%extreme
June Weather19°C (66°F)288 mm (11.3 inches)66%extreme
July Weather18°C (64°F)167 mm (6.6 inches)75%extreme
August Weather18°C (65°F)232 mm (9.1 inches)82%extreme
September Weather18°C (65°F)234 mm (9.2 inches)82%extreme
October Weather18°C (64°F)220 mm (8.7 inches)83%extreme
November Weather16°C (62°F)98 mm (3.8 inches)80%extreme
December Weather15°C (60°F)38 mm (1.5 inches)76%very high

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