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September Weather in Santa Isabel, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Isabel, Mexico hovers around a warm 28°C (83°F). Daily highs can reach up to 38°C (100°F), while nights can cool down to a minimum of 23°C (73°F). Expect considerable precipitation during this time, with an average of 222 mm (8.7 in) spread across 23 days. The atmosphere is often humid, with an average humidity level of 80%.

September Temperature in Santa Isabel

In September in Santa Isabel, 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 Santa Isabel an excellent destination for travelers seeking sun and outdoor activities.

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

The chart illustrates September temperature patterns in Santa Isabel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Isabel, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757882868884848483817776
Data source: Temperature data for Santa Isabel 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 Isabel

In Santa Isabel in September, the precipitation amount is 222 mm (8.7 in) over the course of 23 days.

September Precipitation Trends in Santa Isabel

The chart displays monthly precipitation patterns in Santa Isabel, 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 Isabel, September typically receives around 222 mm (8.7 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec44191731712839613922224612145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Isabel

In Santa Isabel in September, humidity is 80%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping you, making travel feel sluggish and sticky, as every movement generates a sheen of perspiration that clings to your skin.

September Average Humidity in Santa Isabel

This chart illustrates the average monthly humidity levels in Santa Isabel, 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 Isabel is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Isabel

In Santa Isabel 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 Isabel.

Maximum UV Index Levels in Santa Isabel for September

The chart shows the monthly maximum UV Index (UVI) for Santa Isabel 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 Isabel typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131313121198
Data source: Santa Isabel 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 Isabel Compares to Other Months

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

This table compares monthly weather conditions in Santa Isabel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)44 mm (1.7 inches)78%very high
February Weather26°C (79°F)19 mm (0.7 inches)73%extreme
March Weather28°C (82°F)17 mm (0.7 inches)64%extreme
April Weather30°C (86°F)31 mm (1.2 inches)61%extreme
May Weather31°C (88°F)71 mm (2.8 inches)59%extreme
June Weather29°C (84°F)283 mm (11.1 inches)59%extreme
July Weather29°C (85°F)96 mm (3.8 inches)64%extreme
August Weather29°C (84°F)139 mm (5.5 inches)76%extreme
September Weather28°C (83°F)222 mm (8.7 inches)80%extreme
October Weather27°C (81°F)245 mm (9.7 inches)82%extreme
November Weather25°C (78°F)121 mm (4.8 inches)83%very high
December Weather24°C (76°F)45 mm (1.8 inches)84%very high

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