September Weather in Bolanos, Mexico

Last updated: August 27, 2025

In September, the average temperature in Bolanos, Mexico hovers around 22°C (71°F), offering a pleasant climate for outdoor activities. You'll experience a range from a minimum of 14°C (57°F) to a warm maximum of 33°C (91°F). Be prepared for some rain, as 123 mm (4.8 in) of precipitation typically falls over 19 days, accompanied by an average humidity level of 84%.

September Temperature in Bolanos

In September, in Bolanos, the average temperature is 22°C (71°F). Maximum temperatures can reach 33°C (91°F) while minimums can drop as low as 14°C (57°F). This pleasant climate makes Bolanos an ideal destination for outdoor activities and exploration during this time of year.

September Weather in Bolanos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bolanos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bolanos, September typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec606368707475727271706660
Data source: Temperature data for Bolanos 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 Bolanos

In Bolanos in September, the total precipitation amount is 123 mm (4.8 in) spread over 19 days.

September Precipitation Trends in Bolanos

The chart displays monthly precipitation patterns in Bolanos, 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 Bolanos, September typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec131731669120106123541312
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bolanos

In Bolanos in September, humidity is 84%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky blanket wrapping around you, making outdoor activities a bit challenging but also inviting you to seek out shaded spots and cool refreshments during your travels.

September Average Humidity in Bolanos

This chart illustrates the average monthly humidity levels in Bolanos, 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 Bolanos is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%57%46%43%51%74%79%81%84%75%71%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bolanos

In Bolanos 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 Bolanos, you can check here.

Maximum UV Index Levels in Bolanos for September

The chart shows the monthly maximum UV Index (UVI) for Bolanos 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 Bolanos typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111415141414131412108
Data source: Bolanos 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 Bolanos Compares to Other Months

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

This table compares monthly weather conditions in Bolanos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)13 mm (0.5 inches)64%very high
February Weather17°C (63°F)17 mm (0.7 inches)57%extreme
March Weather20°C (68°F)3 mm (0.1 inches)46%extreme
April Weather21°C (71°F)1 mm (0.0 inches)42%extreme
May Weather23°C (74°F)6 mm (0.2 inches)51%extreme
June Weather24°C (76°F)69 mm (2.7 inches)74%extreme
July Weather22°C (72°F)120 mm (4.7 inches)79%extreme
August Weather22°C (73°F)106 mm (4.2 inches)81%extreme
September Weather22°C (71°F)123 mm (4.8 inches)84%extreme
October Weather21°C (70°F)54 mm (2.1 inches)75%extreme
November Weather19°C (66°F)13 mm (0.5 inches)71%very high
December Weather16°C (61°F)12 mm (0.5 inches)74%very high

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