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September Weather in San Francisco Sola, Mexico

Last updated: August 27, 2025

In San Francisco Sola, Mexico, the average temperature in September hovers around 19°C (66°F), with minimums dipping to 12°C (54°F) and soaring to maximums of 29°C (85°F). Expect a fair amount of rain as well, with 289 mm (11.4 in) of precipitation spread across 25 days. Don't forget that humidity is quite high, averaging around 84%—perfect for those who love a tropical feel!

September Temperature in San Francisco Sola

In September in San Francisco Sola, the average temperature is 19°C (66°F). Maximum temperatures can reach 29°C (85°F), and the minimum can drop to as low as 12°C (54°F). This mild climate makes San Francisco Sola an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in San Francisco Sola, 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 Sola, September typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec626466686866666666656462
Data source: Temperature data for San Francisco Sola 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 Sola

In San Francisco Sola in September, the precipitation amount is 289 mm (11.4 in) occurring over the course of 25 days.

September Precipitation Trends in San Francisco Sola

The chart displays monthly precipitation patterns in San Francisco Sola, 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 Sola, September typically receives around 289 mm (11.4 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec421438110273148249289142158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Francisco Sola

In San Francisco Sola in September, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

September Average Humidity in San Francisco Sola

This chart illustrates the average monthly humidity levels in San Francisco Sola, 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 Sola is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Francisco Sola

In San Francisco Sola 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 San Francisco Sola, you can check here.

Maximum UV Index Levels in San Francisco Sola for September

The chart shows the monthly maximum UV Index (UVI) for San Francisco Sola 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 Sola typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131415151414141412109
Data source: San Francisco Sola 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 Sola Compares to Other Months

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

This table compares monthly weather conditions in San Francisco Sola, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)4 mm (0.2 inches)84%very high
February Weather18°C (64°F)2 mm (0.1 inches)80%extreme
March Weather19°C (66°F)14 mm (0.6 inches)73%extreme
April Weather20°C (68°F)38 mm (1.5 inches)67%extreme
May Weather20°C (68°F)110 mm (4.3 inches)72%extreme
June Weather19°C (66°F)273 mm (10.7 inches)73%extreme
July Weather19°C (67°F)148 mm (5.8 inches)76%extreme
August Weather19°C (66°F)249 mm (9.8 inches)80%extreme
September Weather19°C (66°F)289 mm (11.4 inches)84%extreme
October Weather19°C (66°F)142 mm (5.6 inches)89%extreme
November Weather18°C (64°F)15 mm (0.6 inches)88%very high
December Weather17°C (62°F)8 mm (0.3 inches)88%very high

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