September Weather in Santa Rosa de Lima, Mexico

Last updated: August 27, 2025

In September, the average temperature in Santa Rosa de Lima, Mexico hovers around 19°C (67°F), with nighttime lows dipping to a comfortable 10°C (50°F) and daytime highs reaching up to 31°C (88°F). Expect some rain, as the region sees around 122 mm (4.8 in) of precipitation over approximately 17 days. With an average humidity of 81%, it's a perfect time to enjoy the lush, vibrant environment!

September Temperature in Santa Rosa de Lima

In September in Santa Rosa de Lima, the average temperature is 19°C (67°F). Maximums can reach 31°C (88°F), and minimums can be as low as 10°C (50°F). This mild weather makes Santa Rosa de Lima an ideal destination for outdoor activities and exploration.

September Weather in Santa Rosa de Lima: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa de Lima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa de Lima, September typically has an average temperature of 19°C (67°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec586367717370686967656159
Data source: Temperature data for Santa Rosa de Lima 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 Rosa de Lima

In Santa Rosa de Lima in September, the precipitation amount is 122 mm (4.8 in) spread over the course of 17 days.

September Precipitation Trends in Santa Rosa de Lima

The chart displays monthly precipitation patterns in Santa Rosa de Lima, 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 Rosa de Lima, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec67141745126867812258206
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa de Lima

In Santa Rosa de Lima in September humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.

September Average Humidity in Santa Rosa de Lima

This chart illustrates the average monthly humidity levels in Santa Rosa de Lima, 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 Rosa de Lima is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%58%58%67%76%67%68%81%83%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa de Lima

In Santa Rosa de Lima 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 Rosa de Lima, you can check here.

Maximum UV Index Levels in Santa Rosa de Lima for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa de Lima 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 Rosa de Lima typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414151414141412108
Data source: Santa Rosa de Lima 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 Rosa de Lima Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa de Lima, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (58°F)6 mm (0.2 inches)74%very high
February Weather17°C (63°F)7 mm (0.3 inches)65%extreme
March Weather19°C (67°F)14 mm (0.6 inches)58%extreme
April Weather22°C (71°F)17 mm (0.7 inches)58%extreme
May Weather23°C (73°F)45 mm (1.8 inches)67%extreme
June Weather21°C (70°F)126 mm (5.0 inches)76%extreme
July Weather20°C (69°F)86 mm (3.4 inches)67%extreme
August Weather21°C (69°F)78 mm (3.1 inches)68%extreme
September Weather19°C (67°F)122 mm (4.8 inches)81%extreme
October Weather18°C (65°F)57 mm (2.3 inches)83%extreme
November Weather16°C (61°F)20 mm (0.8 inches)84%very high
December Weather15°C (59°F)6 mm (0.2 inches)81%very high

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