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September Weather in La Peninsula, Mexico

Last updated: August 27, 2025

In September, the average temperature in La Peninsula, Mexico reaches a warm 28°C (83°F). Expect a range with a minimum of 23°C (73°F) and a maximum of 38°C (100°F). Be prepared for ample rainfall, with 214 mm (8.4 in) falling over 24 days, combined with an average humidity of 87%.

September Temperature in La Peninsula

In September in La Peninsula, the average temperature is 28°C (83°F). Maximum temperatures can reach 38°C (100°F), while the minimum can drop to as low as 23°C (73°F). This warm climate makes La Peninsula an excellent destination for travelers seeking sun and outdoor activities.

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

The chart illustrates September temperature patterns in La Peninsula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Peninsula, September typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec747779838684858483817775
Data source: Temperature data for La Peninsula 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 La Peninsula

In La Peninsula in September, the precipitation amount is 214 mm (8.4 in) spread over 24 days.

September Precipitation Trends in La Peninsula

The chart displays monthly precipitation patterns in La Peninsula, 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 Peninsula, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec80303447762538514021425716971
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Peninsula

In La Peninsula in September humidity is 87%. With an average temperature of 28°C (83°F), this humidity feels like you're enveloped in a warm, sticky blanket, making outdoor activities slightly uncomfortable and travel plans require frequent breaks for hydration and respite from the heat.

September Average Humidity in La Peninsula

This chart illustrates the average monthly humidity levels in La Peninsula, 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 Peninsula is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Peninsula

In La Peninsula 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 La Peninsula.

Maximum UV Index Levels in La Peninsula for September

The chart shows the monthly maximum UV Index (UVI) for La Peninsula 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 Peninsula typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec910121312131312121198
Data source: La Peninsula 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 Peninsula Compares to Other Months

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

This table compares monthly weather conditions in La Peninsula, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)80 mm (3.2 inches)83%very high
February Weather25°C (77°F)30 mm (1.2 inches)76%very high
March Weather26°C (80°F)34 mm (1.4 inches)66%extreme
April Weather29°C (84°F)47 mm (1.9 inches)59%extreme
May Weather30°C (86°F)76 mm (3.0 inches)64%extreme
June Weather29°C (84°F)253 mm (10.0 inches)69%extreme
July Weather29°C (85°F)85 mm (3.3 inches)82%extreme
August Weather29°C (84°F)140 mm (5.5 inches)87%extreme
September Weather28°C (83°F)214 mm (8.4 inches)87%extreme
October Weather27°C (81°F)257 mm (10.1 inches)88%extreme
November Weather25°C (77°F)169 mm (6.6 inches)88%very high
December Weather24°C (75°F)71 mm (2.8 inches)88%very high

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