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September Weather in San Benito, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Benito, Mexico hovers around 17°C (63°F). Expect it to range from a minimum of 10°C (51°F) to a comfortable maximum of 27°C (81°F). Be prepared for some rain, as there's an average precipitation of 376 mm (14.8 in) spread over 25 days. With an average humidity level of 85%, it's a month where you might want to keep an umbrella handy!

September Temperature in San Benito

In September in San Benito, the average temperature is 17°C (63°F). Maximums can reach 27°C (81°F), while minimums can be as low as 10°C (51°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in San Benito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Benito, September typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec565963656765636363625957
Data source: Temperature data for San Benito 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 Benito

In San Benito in September, the precipitation amount is 376 mm (14.8 in) over the course of 25 days.

September Precipitation Trends in San Benito

The chart displays monthly precipitation patterns in San Benito, 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 Benito, September typically receives around 376 mm (14.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec19272613912784364403761665513
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Benito

In San Benito in September humidity is 85%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit stifling and encouraging frequent breaks in shaded areas or air-conditioned spaces for travelers.

September Average Humidity in San Benito

This chart illustrates the average monthly humidity levels in San Benito, 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 Benito is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Benito

In San Benito 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 Benito, you can check here.

Maximum UV Index Levels in San Benito for September

The chart shows the monthly maximum UV Index (UVI) for San Benito 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 Benito typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911141414141313141198
Data source: San Benito 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 Benito Compares to Other Months

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

This table compares monthly weather conditions in San Benito, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)19 mm (0.8 inches)70%very high
February Weather15°C (59°F)27 mm (1.1 inches)64%extreme
March Weather17°C (63°F)26 mm (1.0 inches)54%extreme
April Weather19°C (66°F)13 mm (0.5 inches)61%extreme
May Weather19°C (67°F)91 mm (3.6 inches)75%extreme
June Weather18°C (66°F)278 mm (10.9 inches)83%extreme
July Weather17°C (63°F)436 mm (17.2 inches)83%extreme
August Weather17°C (64°F)440 mm (17.3 inches)85%extreme
September Weather17°C (63°F)376 mm (14.8 inches)85%extreme
October Weather17°C (63°F)166 mm (6.5 inches)79%extreme
November Weather15°C (60°F)55 mm (2.2 inches)76%very high
December Weather14°C (57°F)13 mm (0.5 inches)74%very high

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