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September Weather in Rancho Viejo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Rancho Viejo, Mexico hovers around 29°C (84°F), offering a warm atmosphere. Expect temperatures to range from a comfortable minimum of 23°C (74°F) to a sizzling maximum of 38°C (100°F). With precipitation totaling 146 mm (5.8 in) over 19 days, and an average humidity of 78%, be prepared for a tropical feel that’s both inviting and lush.

September Temperature in Rancho Viejo

In September in Rancho Viejo, the average temperature is 29°C (84°F), with maximums reaching 38°C (100°F) and minimums dropping to 23°C (74°F). This warm climate makes it an ideal time for travelers seeking sun-soaked adventures and outdoor activities.

September Weather in Rancho Viejo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rancho Viejo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancho Viejo, September typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec666870747984868583837668
Data source: Temperature data for Rancho Viejo 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 Rancho Viejo

In Rancho Viejo in September, the precipitation amount is 146 mm (5.8 in) over a span of 19 days.

September Precipitation Trends in Rancho Viejo

The chart displays monthly precipitation patterns in Rancho Viejo, 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 Rancho Viejo, September typically receives around 146 mm (5.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec6202002391148146393915
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rancho Viejo

In Rancho Viejo in September humidity is 78%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket enveloping you, making travel feel sticky and exhausting as you navigate through the heat.

September Average Humidity in Rancho Viejo

This chart illustrates the average monthly humidity levels in Rancho Viejo, 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 Rancho Viejo is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%67%62%58%59%64%74%78%78%75%74%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rancho Viejo

In Rancho Viejo 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 Rancho Viejo.

Maximum UV Index Levels in Rancho Viejo for September

The chart shows the monthly maximum UV Index (UVI) for Rancho Viejo 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 Rancho Viejo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79101313121212121086
Data source: Rancho Viejo 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 Rancho Viejo Compares to Other Months

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

This table compares monthly weather conditions in Rancho Viejo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)6 mm (0.2 inches)70%high
February Weather20°C (68°F)20 mm (0.8 inches)67%very high
March Weather21°C (71°F)2 mm (0.1 inches)62%very high
April Weather24°C (75°F)0 mm (0.0 inches)58%extreme
May Weather26°C (79°F)0 mm (0.0 inches)59%extreme
June Weather29°C (84°F)23 mm (0.9 inches)64%extreme
July Weather30°C (86°F)91 mm (3.6 inches)74%extreme
August Weather30°C (86°F)148 mm (5.8 inches)78%extreme
September Weather29°C (84°F)146 mm (5.8 inches)78%extreme
October Weather28°C (83°F)39 mm (1.5 inches)75%very high
November Weather24°C (76°F)39 mm (1.5 inches)74%very high
December Weather20°C (69°F)15 mm (0.6 inches)72%high

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