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September Weather in San Roque, Mexico

Last updated: August 27, 2025

In San Roque, Mexico, the average temperature in September hovers around 15°C (59°F). Expect minimums as low as 5°C (42°F) and highs reaching 24°C (75°F). Be prepared for 276 mm (10.9 in) of precipitation spread over 27 days, resulting in an average humidity of 85%.

September Temperature in San Roque

In September in San Roque, the average temperature is 15°C (59°F), with maximums reaching up to 24°C (75°F) and minimums dropping as low as 5°C (42°F). It's a perfect time for travelers to enjoy mild weather while exploring the local sights.

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

The chart illustrates September temperature patterns in San Roque, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Roque, September typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (75°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec515458606160585958575552
Data source: Temperature data for San Roque 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 Roque

In San Roque in September, the precipitation amount is 276 mm (10.9 in) recorded over the course of 27 days.

September Precipitation Trends in San Roque

The chart displays monthly precipitation patterns in San Roque, 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 Roque, September typically receives around 276 mm (10.9 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec1618293597238348335276113408
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Roque

In San Roque in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in San Roque

This chart illustrates the average monthly humidity levels in San Roque, 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 Roque 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 Roque

In San Roque 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 Roque, you can check here.

Maximum UV Index Levels in San Roque for September

The chart shows the monthly maximum UV Index (UVI) for San Roque 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 Roque typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121515151514141412109
Data source: San Roque 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 Roque Compares to Other Months

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

This table compares monthly weather conditions in San Roque, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)16 mm (0.6 inches)70%very high
February Weather12°C (55°F)18 mm (0.7 inches)64%extreme
March Weather14°C (58°F)29 mm (1.1 inches)54%extreme
April Weather16°C (60°F)35 mm (1.4 inches)61%extreme
May Weather16°C (62°F)97 mm (3.8 inches)75%extreme
June Weather16°C (60°F)238 mm (9.4 inches)83%extreme
July Weather15°C (59°F)348 mm (13.7 inches)83%extreme
August Weather15°C (59°F)335 mm (13.2 inches)85%extreme
September Weather15°C (59°F)276 mm (10.9 inches)85%extreme
October Weather14°C (58°F)113 mm (4.4 inches)79%extreme
November Weather13°C (55°F)39 mm (1.6 inches)76%very high
December Weather11°C (52°F)8 mm (0.3 inches)74%very high

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