nomadseason

September Weather in Colonia San Jose, Mexico

Last updated: August 27, 2025

In September, the average temperature in Colonia San Jose, Mexico is a warm 26°C (79°F). Temperatures can range from a cool 13°C (56°F) to a sweltering 39°C (102°F). During this month, you can expect approximately 49 mm (1.9 in) of precipitation spread over about 8 days, with an average humidity of 79%.

September Temperature in Colonia San Jose

In September in Colonia San Jose, the average temperature is 26°C (79°F), with maximums reaching 39°C (102°F) and minimums dropping as low as 13°C (56°F). Given this range, travelers should pack accordingly to enjoy both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Colonia San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colonia San Jose, September typically has an average temperature of 26°C (79°F), with highs reaching up to 39°C (102°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec546068758287848478736354
Data source: Temperature data for Colonia San Jose generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Colonia San Jose

In Colonia San Jose in September, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

September Precipitation Trends in Colonia San Jose

The chart displays monthly precipitation patterns in Colonia San Jose, 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 Colonia San Jose, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4432415483450161116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Colonia San Jose

In Colonia San Jose in September humidity is 79%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel exhausting. Travelers should be prepared for a heavy air that clings to the skin, making hydration essential while navigating the sights and sounds of the city.

September Average Humidity in Colonia San Jose

This chart illustrates the average monthly humidity levels in Colonia San Jose, 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 Colonia San Jose is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%71%60%52%49%50%65%70%79%77%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colonia San Jose

In Colonia San Jose in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Colonia San Jose.

Maximum UV Index Levels in Colonia San Jose for September

The chart shows the monthly maximum UV Index (UVI) for Colonia San Jose 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 Colonia San Jose typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313131313121076
Data source: Colonia San Jose 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 Colonia San Jose Compares to Other Months

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

This table compares monthly weather conditions in Colonia San Jose, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)4 mm (0.2 inches)78%high
February Weather16°C (60°F)4 mm (0.2 inches)71%very high
March Weather20°C (68°F)3 mm (0.1 inches)60%extreme
April Weather24°C (76°F)2 mm (0.1 inches)52%extreme
May Weather28°C (83°F)4 mm (0.2 inches)49%extreme
June Weather31°C (87°F)15 mm (0.6 inches)50%extreme
July Weather29°C (84°F)48 mm (1.9 inches)65%extreme
August Weather29°C (84°F)34 mm (1.3 inches)70%extreme
September Weather26°C (79°F)49 mm (1.9 inches)79%extreme
October Weather23°C (73°F)16 mm (0.6 inches)77%very high
November Weather17°C (63°F)11 mm (0.4 inches)83%high
December Weather12°C (55°F)16 mm (0.6 inches)84%high

Compare Colonia San Jose's Climate with Cities Worldwide