September Weather in Santa Elena, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Elena, Mexico is a warm 28°C (82°F). Expect a comfortable minimum of 22°C (72°F) and a peak of 36°C (98°F). However, be prepared for some rain, as the region receives approximately 91 mm (3.6 in) of precipitation over 18 days. With an average humidity of 82%, it's a perfect time to enjoy the balmy weather while staying hydrated!

September Temperature in Santa Elena

In September in Santa Elena, the average temperature is 28°C (82°F), with maximums reaching up to 36°C (98°F) and minimums dropping to as low as 22°C (72°F). This warm climate makes it an ideal destination for travelers seeking sunny adventures and outdoor activities.

September Weather in Santa Elena: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Elena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Elena, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (98°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec737780838482838282817775
Data source: Temperature data for Santa Elena 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 Santa Elena

In Santa Elena in September, the precipitation amount is 91 mm (3.6 in) spread over 18 days.

September Precipitation Trends in Santa Elena

The chart displays monthly precipitation patterns in Santa Elena, 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 Santa Elena, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec271051734156628891993519
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Elena

In Santa Elena in September humidity is 82%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, dense blanket, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated.

September Average Humidity in Santa Elena

This chart illustrates the average monthly humidity levels in Santa Elena, 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 Santa Elena is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%71%70%68%69%74%81%82%83%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Elena

In Santa Elena 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 Santa Elena.

Maximum UV Index Levels in Santa Elena for September

The chart shows the monthly maximum UV Index (UVI) for Santa Elena 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 Santa Elena typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131312121187
Data source: Santa Elena 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 Santa Elena Compares to Other Months

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

This table compares monthly weather conditions in Santa Elena, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)27 mm (1.1 inches)81%very high
February Weather25°C (77°F)9 mm (0.4 inches)78%very high
March Weather26°C (80°F)5 mm (0.2 inches)71%extreme
April Weather29°C (84°F)17 mm (0.7 inches)70%extreme
May Weather29°C (85°F)34 mm (1.3 inches)68%extreme
June Weather28°C (83°F)156 mm (6.1 inches)69%extreme
July Weather28°C (83°F)62 mm (2.4 inches)74%extreme
August Weather28°C (83°F)88 mm (3.5 inches)81%extreme
September Weather28°C (82°F)91 mm (3.6 inches)82%extreme
October Weather27°C (81°F)99 mm (3.9 inches)83%extreme
November Weather25°C (77°F)35 mm (1.4 inches)84%very high
December Weather24°C (75°F)19 mm (0.7 inches)86%high

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