nomadseason

September Weather in Santa Gertrudis, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Gertrudis, Mexico hovers around 20°C (68°F), offering a comfortable climate. However, you can expect some variability, with minimums dipping to 12°C (53°F) and highs reaching up to 30°C (86°F). This month also brings about 210 mm (8.3 in) of precipitation spread over 21 days, contributing to an average humidity level of 84%. Be prepared for a mix of sunny and rainy days!

September Temperature in Santa Gertrudis

In September in Santa Gertrudis, the average temperature is 20°C (68°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 12°C (53°F). This pleasant weather makes it an ideal time to explore the outdoors and enjoy various activities in Santa Gertrudis.

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

The chart illustrates September temperature patterns in Santa Gertrudis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Gertrudis, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec626567707168686767666463
Data source: Temperature data for Santa Gertrudis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santa Gertrudis

In Santa Gertrudis in September, the precipitation amount is 210 mm (8.3 in) over the course of 21 days.

September Precipitation Trends in Santa Gertrudis

The chart displays monthly precipitation patterns in Santa Gertrudis, 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 Gertrudis, September typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec419347420698151210115137
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santa Gertrudis

In Santa Gertrudis in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in Santa Gertrudis

This chart illustrates the average monthly humidity levels in Santa Gertrudis, 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 Gertrudis is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Gertrudis

In Santa Gertrudis 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 Santa Gertrudis, you can check here.

Maximum UV Index Levels in Santa Gertrudis for September

The chart shows the monthly maximum UV Index (UVI) for Santa Gertrudis 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 Gertrudis typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131515151515141413119
Data source: Santa Gertrudis 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 Gertrudis Compares to Other Months

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

This table compares monthly weather conditions in Santa Gertrudis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)4 mm (0.2 inches)84%very high
February Weather18°C (65°F)1 mm (0.1 inches)80%extreme
March Weather20°C (68°F)9 mm (0.4 inches)73%extreme
April Weather21°C (70°F)34 mm (1.3 inches)67%extreme
May Weather21°C (71°F)73 mm (2.9 inches)72%extreme
June Weather20°C (68°F)206 mm (8.1 inches)73%extreme
July Weather20°C (68°F)97 mm (3.8 inches)76%extreme
August Weather20°C (68°F)151 mm (6.0 inches)80%extreme
September Weather20°C (68°F)210 mm (8.3 inches)84%extreme
October Weather19°C (67°F)114 mm (4.5 inches)89%extreme
November Weather18°C (64°F)13 mm (0.5 inches)88%extreme
December Weather17°C (63°F)7 mm (0.3 inches)88%very high

Compare Santa Gertrudis's Climate with Cities Worldwide