September Weather in San Antonino Castillo Velasco, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Antonino Castillo Velasco, Mexico hovers around 20°C (68°F), offering a comfortable climate. However, you can expect some variability, with minimums dipping to 12°C (53°F) and highs reaching up to 30°C (86°F). This month also brings about 210 mm (8.3 in) of precipitation spread over 21 days, contributing to an average humidity level of 84%. Be prepared for a mix of sunny and rainy days!

September Temperature in San Antonino Castillo Velasco

In September in San Antonino Castillo Velasco, the average temperature is 20°C (68°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 12°C (53°F). This pleasant weather makes it an ideal time to explore the outdoors and enjoy various activities in San Antonino Castillo Velasco.

September Weather in San Antonino Castillo Velasco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Antonino Castillo Velasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonino Castillo Velasco, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec626567707168686767666463
Data source: Temperature data for San Antonino Castillo Velasco 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 Antonino Castillo Velasco

In San Antonino Castillo Velasco in September, the precipitation amount is 210 mm (8.3 in) over the course of 21 days.

September Precipitation Trends in San Antonino Castillo Velasco

The chart displays monthly precipitation patterns in San Antonino Castillo Velasco, 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 Antonino Castillo Velasco, September typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec419347420698151210115137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Antonino Castillo Velasco

In San Antonino Castillo Velasco in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in San Antonino Castillo Velasco

This chart illustrates the average monthly humidity levels in San Antonino Castillo Velasco, 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 Antonino Castillo Velasco is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonino Castillo Velasco

In San Antonino Castillo Velasco 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 Antonino Castillo Velasco, you can check here.

Maximum UV Index Levels in San Antonino Castillo Velasco for September

The chart shows the monthly maximum UV Index (UVI) for San Antonino Castillo Velasco 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 Antonino Castillo Velasco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151515141413119
Data source: San Antonino Castillo Velasco 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 Antonino Castillo Velasco Compares to Other Months

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

This table compares monthly weather conditions in San Antonino Castillo Velasco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)4 mm (0.2 inches)84%very high
February Weather18°C (65°F)1 mm (0.1 inches)80%extreme
March Weather20°C (68°F)9 mm (0.4 inches)73%extreme
April Weather21°C (70°F)34 mm (1.3 inches)67%extreme
May Weather21°C (71°F)73 mm (2.9 inches)72%extreme
June Weather20°C (68°F)206 mm (8.1 inches)73%extreme
July Weather20°C (68°F)97 mm (3.8 inches)76%extreme
August Weather20°C (68°F)151 mm (6.0 inches)80%extreme
September Weather20°C (68°F)210 mm (8.3 inches)84%extreme
October Weather19°C (67°F)114 mm (4.5 inches)89%extreme
November Weather18°C (64°F)13 mm (0.5 inches)88%extreme
December Weather17°C (63°F)7 mm (0.3 inches)88%very high

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