nomadseason

September Weather in La Basilia, Mexico

Last updated: August 27, 2025

In September, the average temperature in La Basilia, Mexico hovers around 17°C (63°F). During this time, you can expect a minimum of 11°C (52°F) and a maximum of 26°C (80°F). With an average humidity of 85% and 332 mm (13.1 in) of precipitation spread over 28 days, be prepared for a mix of cool and damp conditions throughout the month.

September Temperature in La Basilia

In September in La Basilia, the average temperature is 17°C (63°F). Maximum temperatures can reach 26°C (80°F), while the minimum can drop to as low as 11°C (52°F). This pleasant weather makes La Basilia an ideal destination for travelers looking to explore comfortably.

September Weather in La Basilia: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Basilia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Basilia, September typically has an average temperature of 17°C (63°F), with highs reaching up to 26°C (80°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec565861646564636363625956
Data source: Temperature data for La Basilia 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 La Basilia

In La Basilia in September, the total precipitation amount is 332 mm (13.1 in) recorded over a span of 28 days.

September Precipitation Trends in La Basilia

The chart displays monthly precipitation patterns in La Basilia, 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 La Basilia, September typically receives around 332 mm (13.1 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec253432171282883613833321997319
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in La Basilia

In La Basilia 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 La Basilia

This chart illustrates the average monthly humidity levels in La Basilia, 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 La Basilia 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 La Basilia

In La Basilia 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 La Basilia, you can check here.

Maximum UV Index Levels in La Basilia for September

The chart shows the monthly maximum UV Index (UVI) for La Basilia 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 La Basilia typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141514141412109
Data source: La Basilia 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 La Basilia Compares to Other Months

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

This table compares monthly weather conditions in La Basilia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)25 mm (1.0 inches)70%very high
February Weather14°C (58°F)34 mm (1.3 inches)64%extreme
March Weather16°C (62°F)32 mm (1.2 inches)54%extreme
April Weather18°C (64°F)17 mm (0.7 inches)61%extreme
May Weather19°C (66°F)128 mm (5.0 inches)75%extreme
June Weather18°C (65°F)288 mm (11.4 inches)83%extreme
July Weather17°C (63°F)361 mm (14.2 inches)83%extreme
August Weather17°C (64°F)383 mm (15.1 inches)85%extreme
September Weather17°C (63°F)332 mm (13.1 inches)85%extreme
October Weather17°C (63°F)199 mm (7.8 inches)79%extreme
November Weather15°C (60°F)73 mm (2.9 inches)76%very high
December Weather14°C (57°F)19 mm (0.7 inches)74%very high

Compare La Basilia's Climate with Cities Worldwide