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September Weather in Francisco R. Serrano, Mexico

Last updated: August 27, 2025

In Francisco R. Serrano, Mexico, the average temperature in September reaches a warm 29°C (85°F). During this time, temperatures can vary, with a minimum of 21°C (71°F) and soaring to a maximum of 39°C (103°F). Expect some rain as well, with an average precipitation amount of 131 mm (5.1 in) over 15 days. Humidity levels sit high at 78%, making for a distinctly tropical feel.

September Temperature in Francisco R. Serrano

In September in Francisco R. Serrano, the average temperature is 29°C (85°F). The maximum can reach 39°C (103°F) and the minimum can be as low as 21°C (71°F). This makes it a great time for travelers seeking warm weather and outdoor activities.

September Weather in Francisco R. Serrano: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Francisco R. Serrano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Francisco R. Serrano, September typically has an average temperature of 29°C (85°F), with highs reaching up to 39°C (103°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec666770747984878785847668
Data source: Temperature data for Francisco R. Serrano 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 Francisco R. Serrano

In Francisco R. Serrano in September, the precipitation amount is 131 mm (5.1 in) over a span of 15 days.

September Precipitation Trends in Francisco R. Serrano

The chart displays monthly precipitation patterns in Francisco R. Serrano, 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 Francisco R. Serrano, September typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8184101978121131263312
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Francisco R. Serrano

In Francisco R. Serrano in September humidity is 78%. With an average temperature of 29°C (85°F), this humidity feels like a warm, thick blanket wrapping around you, making travel somewhat challenging as you adjust to the muggy conditions. The air feels heavy, and the heat can be intense, prompting frequent breaks to find shade and staying hydrated to keep fatigue at bay.

September Average Humidity in Francisco R. Serrano

This chart illustrates the average monthly humidity levels in Francisco R. Serrano, 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 Francisco R. Serrano is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%62%58%59%64%74%78%78%75%74%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Francisco R. Serrano

In Francisco R. Serrano 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 Francisco R. Serrano.

Maximum UV Index Levels in Francisco R. Serrano for September

The chart shows the monthly maximum UV Index (UVI) for Francisco R. Serrano 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 Francisco R. Serrano typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212121076
Data source: Francisco R. Serrano 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 Francisco R. Serrano Compares to Other Months

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

This table compares monthly weather conditions in Francisco R. Serrano, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)8 mm (0.3 inches)70%high
February Weather20°C (67°F)18 mm (0.7 inches)67%very high
March Weather21°C (71°F)4 mm (0.2 inches)62%very high
April Weather23°C (74°F)1 mm (0.0 inches)58%extreme
May Weather26°C (79°F)0 mm (0.0 inches)59%extreme
June Weather29°C (85°F)19 mm (0.8 inches)64%extreme
July Weather31°C (87°F)78 mm (3.1 inches)74%extreme
August Weather31°C (87°F)121 mm (4.8 inches)78%extreme
September Weather29°C (85°F)131 mm (5.1 inches)78%extreme
October Weather29°C (84°F)26 mm (1.0 inches)75%very high
November Weather25°C (76°F)32 mm (1.3 inches)74%high
December Weather20°C (68°F)12 mm (0.5 inches)72%high

Compare Francisco R. Serrano's Climate with Cities Worldwide