September Weather in Cotorina, Mexico

Last updated: August 27, 2025

The average temperature in Cotorina, Mexico during September is a comfortable 20°C (68°F). Expect temperatures to range from a minimum of 10°C (51°F) to a maximum of 31°C (88°F). With 125 mm (4.9 in) of precipitation spread over 16 days, the weather can be quite moist, complemented by an average humidity of 81%.

September Temperature in Cotorina

In September in Cotorina, the average temperature is 20°C (68°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 10°C (51°F). This pleasant temperature range makes Cotorina an ideal destination for travelers looking to enjoy moderate weather during their visit.

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

The chart illustrates September temperature patterns in Cotorina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cotorina, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Cotorina

In Cotorina in September, the precipitation amount is 125 mm (4.9 in) spread over 16 days.

September Precipitation Trends in Cotorina

The chart displays monthly precipitation patterns in Cotorina, 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 Cotorina, September typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 16 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 Cotorina

In Cotorina in September humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

September Average Humidity in Cotorina

This chart illustrates the average monthly humidity levels in Cotorina, 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 Cotorina is approximately 81%, 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 Cotorina

In Cotorina 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 Cotorina.

Maximum UV Index Levels in Cotorina for September

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

Data source: Cotorina 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 Cotorina Compares to Other Months

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

This table compares monthly weather conditions in Cotorina, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (58°F)	11 mm (0.4 inches)	74%	very high
February Weather	17°C (62°F)	10 mm (0.4 inches)	65%	extreme
March Weather	20°C (68°F)	5 mm (0.2 inches)	58%	extreme
April Weather	22°C (71°F)	3 mm (0.1 inches)	58%	extreme
May Weather	23°C (74°F)	19 mm (0.7 inches)	67%	extreme
June Weather	22°C (73°F)	125 mm (4.9 inches)	76%	extreme
July Weather	20°C (69°F)	157 mm (6.2 inches)	67%	extreme
August Weather	21°C (70°F)	108 mm (4.2 inches)	68%	extreme
September Weather	20°C (68°F)	125 mm (4.9 inches)	81%	extreme
October Weather	19°C (67°F)	43 mm (1.7 inches)	83%	extreme
November Weather	17°C (63°F)	14 mm (0.6 inches)	84%	very high
December Weather	15°C (59°F)	7 mm (0.3 inches)	81%	very high