September Weather in Purisima, Mexico

Last updated: August 27, 2025

In September, the average temperature in Purisima, Mexico is a pleasant 18°C (65°F), with minimums dropping to 10°C (49°F) and maximums reaching up to 29°C (84°F). However, be prepared for some wet days, as precipitation averages 121 mm (4.8 in) over 18 days. With an average humidity level of 82%, it’s wise to stay hydrated and enjoy the refreshing atmosphere!

September Temperature in Purisima

In September in Purisima, the average temperature is a pleasant 18°C (65°F), making it an ideal time for outdoor activities and sightseeing. Maximum temperatures can reach up to 29°C (84°F), while minimums can drop to as low as 10°C (49°F), so it's advisable to pack layers for both warm days and cooler evenings. Overall, it's a wonderful time to explore and enjoy all that Purisima has to offer!

September Weather in Purisima: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Purisima, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Purisima, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (84°F) and lows dropping to around 10°C (49°F).

Data source: Temperature data for Purisima generated using information from the Copernicus Climate Change Service.

September Precipitation in Purisima

In Purisima in September, the precipitation amount is 121 mm (4.8 in) distributed over 18 days.

September Precipitation Trends in Purisima

The chart displays monthly precipitation patterns in Purisima, 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 Purisima, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 18 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Purisima

In Purisima in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

September Average Humidity in Purisima

This chart illustrates the average monthly humidity levels in Purisima, 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 Purisima is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Purisima

In Purisima in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Purisima.

Maximum UV Index Levels in Purisima for September

The chart shows the monthly maximum UV Index (UVI) for Purisima 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 Purisima typically reaches 13, which falls under the extreme exposure category.

Data source: Purisima 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 Purisima Compares to Other Months

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

This table compares monthly weather conditions in Purisima, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	11 mm (0.4 inches)	70%	very high
February Weather	14°C (58°F)	8 mm (0.3 inches)	62%	extreme
March Weather	17°C (63°F)	10 mm (0.4 inches)	53%	extreme
April Weather	20°C (68°F)	6 mm (0.2 inches)	48%	extreme
May Weather	22°C (72°F)	14 mm (0.6 inches)	52%	extreme
June Weather	22°C (72°F)	52 mm (2.1 inches)	64%	extreme
July Weather	20°C (69°F)	132 mm (5.2 inches)	73%	extreme
August Weather	20°C (69°F)	65 mm (2.6 inches)	71%	extreme
September Weather	18°C (65°F)	121 mm (4.8 inches)	82%	extreme
October Weather	17°C (64°F)	43 mm (1.7 inches)	83%	extreme
November Weather	15°C (59°F)	11 mm (0.4 inches)	82%	very high
December Weather	12°C (54°F)	10 mm (0.4 inches)	84%	high