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September Weather in San Jose de Morteros, Mexico

Last updated: August 26, 2025

In September, the average temperature in San Jose de Morteros, Mexico is a pleasant 20°C (69°F). You'll experience a comfortable range, with temperatures dipping to a minimum of 11°C (51°F) and peaking at a warm 31°C (89°F). Be prepared for some rain, as 119 mm (4.7 in) of precipitation can be expected over about 15 days, alongside an average humidity level of 82%.

September Temperature in San Jose de Morteros

In September in San Jose de Morteros, the average temperature is 20°C (69°F). Maximums can reach 31°C (89°F), while minimums can drop as low as 11°C (51°F). This pleasant climate makes San Jose de Morteros an ideal destination for travelers seeking comfortable weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in San Jose de Morteros, 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 de Morteros, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (89°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec556167717575727268666156
Data source: Temperature data for San Jose de Morteros 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 de Morteros

In San Jose de Morteros in September, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

September Precipitation Trends in San Jose de Morteros

The chart displays monthly precipitation patterns in San Jose de Morteros, 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 de Morteros, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec151391115491105611949119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Jose de Morteros

In San Jose de Morteros in September humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

September Average Humidity in San Jose de Morteros

This chart illustrates the average monthly humidity levels in San Jose de Morteros, 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 de Morteros is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Jose de Morteros

In San Jose de Morteros 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 de Morteros.

Maximum UV Index Levels in San Jose de Morteros for September

The chart shows the monthly maximum UV Index (UVI) for San Jose de Morteros 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 de Morteros typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131414141414131297
Data source: San Jose de Morteros 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 de Morteros Compares to Other Months

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

This table compares monthly weather conditions in San Jose de Morteros, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)15 mm (0.6 inches)70%very high
February Weather16°C (61°F)13 mm (0.5 inches)62%very high
March Weather19°C (67°F)9 mm (0.3 inches)53%extreme
April Weather22°C (71°F)11 mm (0.4 inches)48%extreme
May Weather24°C (75°F)15 mm (0.6 inches)52%extreme
June Weather24°C (75°F)49 mm (1.9 inches)64%extreme
July Weather22°C (72°F)110 mm (4.3 inches)73%extreme
August Weather22°C (73°F)56 mm (2.2 inches)71%extreme
September Weather20°C (69°F)119 mm (4.7 inches)82%extreme
October Weather19°C (67°F)49 mm (1.9 inches)83%extreme
November Weather16°C (61°F)11 mm (0.4 inches)82%very high
December Weather13°C (56°F)9 mm (0.4 inches)84%high

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