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September Weather in San Francisco de Lajas, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Francisco de Lajas, Mexico hovers around 20°C (69°F), with a minimum as low as 13°C (56°F) and a maximum reaching up to 31°C (87°F). Prepare for some rain, as the region sees an average precipitation of 204 mm (8.0 in) spread over 25 days. The average humidity sits comfortably at 83%, making for a pleasantly warm and slightly humid climate.

September Temperature in San Francisco de Lajas

In September in San Francisco de Lajas, the average temperature is 20°C (69°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 13°C (56°F). This mild climate makes San Francisco de Lajas an ideal destination for travelers seeking pleasant weather.

September Weather in San Francisco de Lajas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Francisco de Lajas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco de Lajas, September typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (87°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec575964667071697069686358
Data source: Temperature data for San Francisco de Lajas 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 Francisco de Lajas

In San Francisco de Lajas in September, the precipitation amount is 204 mm (8.0 in) spread over 25 days.

September Precipitation Trends in San Francisco de Lajas

The chart displays monthly precipitation patterns in San Francisco de Lajas, 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 Francisco de Lajas, September typically receives around 204 mm (8.0 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec283133151492822672041231826
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Francisco de Lajas

In San Francisco de Lajas in September, humidity is 83%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making every step slightly more laborious and the air thick with moisture, which can be quite stifling for traveling.

September Average Humidity in San Francisco de Lajas

This chart illustrates the average monthly humidity levels in San Francisco de Lajas, 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 Francisco de Lajas is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%66%61%56%61%73%82%83%83%79%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Francisco de Lajas

In San Francisco de Lajas 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 Francisco de Lajas.

Maximum UV Index Levels in San Francisco de Lajas for September

The chart shows the monthly maximum UV Index (UVI) for San Francisco de Lajas 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 Francisco de Lajas typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121414131313131297
Data source: San Francisco de Lajas 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 Francisco de Lajas Compares to Other Months

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

This table compares monthly weather conditions in San Francisco de Lajas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)28 mm (1.1 inches)74%very high
February Weather15°C (60°F)31 mm (1.2 inches)66%extreme
March Weather18°C (64°F)3 mm (0.1 inches)61%extreme
April Weather19°C (67°F)3 mm (0.1 inches)56%extreme
May Weather21°C (70°F)15 mm (0.6 inches)61%extreme
June Weather22°C (71°F)149 mm (5.9 inches)73%extreme
July Weather20°C (69°F)282 mm (11.1 inches)82%extreme
August Weather21°C (70°F)267 mm (10.5 inches)83%extreme
September Weather20°C (69°F)204 mm (8.0 inches)83%extreme
October Weather20°C (68°F)123 mm (4.8 inches)78%extreme
November Weather17°C (63°F)18 mm (0.7 inches)77%very high
December Weather14°C (58°F)26 mm (1.0 inches)78%high

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