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September Weather in San Jose Chacalapa, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose Chacalapa, Mexico hovers around 26°C (78°F), making it a pleasant destination. Expect temperatures to range from a minimum of 22°C (72°F) to a maximum of 30°C (85°F). However, be prepared for rainy days, as precipitation averages 551 mm (21.7 in) over the course of 26 days, contributing to an average humidity of 77%.

September Temperature in San Jose Chacalapa

In September in San Jose Chacalapa, the average temperature is 26°C (78°F). Maximum temperatures can reach 30°C (85°F), while the minimum can dip to as low as 22°C (72°F). This pleasant climate makes San Jose Chacalapa an ideal destination for travelers seeking warm and enjoyable weather.

September Weather in San Jose Chacalapa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose Chacalapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose Chacalapa, September typically has an average temperature of 26°C (78°F), with highs reaching up to 30°C (85°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec767678797978797978787776
Data source: Temperature data for San Jose Chacalapa 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 Jose Chacalapa

In San Jose Chacalapa in September, the precipitation amount is 551 mm (21.7 in) over a span of 26 days.

September Precipitation Trends in San Jose Chacalapa

The chart displays monthly precipitation patterns in San Jose Chacalapa, 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 Jose Chacalapa, September typically receives around 551 mm (21.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec181317221555412514115516445812
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Jose Chacalapa

In San Jose Chacalapa in September, humidity is 77%. With an average temperature of 26°C (78°F), this humidity feels like an inviting embrace that can quickly fatigue travelers, making every step feel heavier and each breath a reminder of the warm, moist air surrounding them.

September Average Humidity in San Jose Chacalapa

This chart illustrates the average monthly humidity levels in San Jose Chacalapa, 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 Jose Chacalapa is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%66%63%66%71%74%78%78%77%77%75%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Jose Chacalapa

In San Jose Chacalapa 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 San Jose Chacalapa.

Maximum UV Index Levels in San Jose Chacalapa for September

The chart shows the monthly maximum UV Index (UVI) for San Jose Chacalapa 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 Jose Chacalapa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111314141413131312109
Data source: San Jose Chacalapa 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 Jose Chacalapa Compares to Other Months

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

This table compares monthly weather conditions in San Jose Chacalapa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)18 mm (0.7 inches)67%very high
February Weather25°C (76°F)13 mm (0.5 inches)66%extreme
March Weather25°C (78°F)17 mm (0.7 inches)63%extreme
April Weather26°C (79°F)22 mm (0.9 inches)66%extreme
May Weather26°C (80°F)155 mm (6.1 inches)71%extreme
June Weather26°C (79°F)540 mm (21.3 inches)73%extreme
July Weather26°C (79°F)251 mm (9.9 inches)78%extreme
August Weather26°C (79°F)411 mm (16.2 inches)78%extreme
September Weather26°C (78°F)551 mm (21.7 inches)77%extreme
October Weather25°C (78°F)644 mm (25.4 inches)77%extreme
November Weather25°C (77°F)58 mm (2.3 inches)75%very high
December Weather24°C (76°F)12 mm (0.5 inches)72%very high

Compare San Jose Chacalapa's Climate with Cities Worldwide