September Weather in San Jeronimo Ocotitla, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jeronimo Ocotitla, Mexico is a comfortable 18°C (65°F). However, expect a range with minimums dipping to 9°C (49°F) and maximums reaching up to 27°C (81°F). Prepare for 251 mm (9.9 in) of precipitation spread over 25 days, contributing to a high average humidity of 82%.

September Temperature in San Jeronimo Ocotitla

In September in San Jeronimo Ocotitla, the average temperature is 18°C (65°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as 9°C (49°F). This pleasant climate makes San Jeronimo Ocotitla an ideal destination for outdoor activities and sightseeing.

September Weather in San Jeronimo Ocotitla: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jeronimo Ocotitla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jeronimo Ocotitla, September typically has an average temperature of 18°C (65°F), with highs reaching up to 27°C (81°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec586164666765646564636158
Data source: Temperature data for San Jeronimo Ocotitla 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 Jeronimo Ocotitla

In San Jeronimo Ocotitla in September, the precipitation amount is 251 mm (9.9 in) over a span of 25 days, indicating a significant amount of rainfall for that period.

September Precipitation Trends in San Jeronimo Ocotitla

The chart displays monthly precipitation patterns in San Jeronimo Ocotitla, 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 Jeronimo Ocotitla, September typically receives around 251 mm (9.9 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec871844106215165209251102256
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Jeronimo Ocotitla

In San Jeronimo Ocotitla 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 Jeronimo Ocotitla

This chart illustrates the average monthly humidity levels in San Jeronimo Ocotitla, 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 Jeronimo Ocotitla is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Jeronimo Ocotitla

In San Jeronimo Ocotitla 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 Jeronimo Ocotitla, you can check here.

Maximum UV Index Levels in San Jeronimo Ocotitla for September

The chart shows the monthly maximum UV Index (UVI) for San Jeronimo Ocotitla 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 Jeronimo Ocotitla typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: San Jeronimo Ocotitla 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 Jeronimo Ocotitla Compares to Other Months

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

This table compares monthly weather conditions in San Jeronimo Ocotitla, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)8 mm (0.3 inches)84%very high
February Weather16°C (61°F)6 mm (0.3 inches)78%extreme
March Weather18°C (65°F)18 mm (0.7 inches)75%extreme
April Weather19°C (67°F)44 mm (1.7 inches)70%extreme
May Weather19°C (67°F)106 mm (4.2 inches)77%extreme
June Weather19°C (66°F)215 mm (8.5 inches)76%extreme
July Weather18°C (65°F)165 mm (6.5 inches)68%extreme
August Weather18°C (65°F)209 mm (8.2 inches)70%extreme
September Weather18°C (65°F)251 mm (9.9 inches)82%extreme
October Weather17°C (64°F)102 mm (4.0 inches)91%extreme
November Weather16°C (61°F)25 mm (1.0 inches)89%very high
December Weather15°C (58°F)6 mm (0.2 inches)88%very high

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