September Weather in San Jose Ixtapa (Barrio Viejo), Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose Ixtapa (Barrio Viejo), Mexico hovers around 26°C (78°F), with a minimum of 22°C (72°F) and a maximum reaching up to 32°C (90°F). This month experiences significant precipitation, with an average of 304 mm (12.0 in) spread over 24 days, resulting in a relatively high average humidity of 78%.

September Temperature in San Jose Ixtapa (Barrio Viejo)

In September in San Jose Ixtapa (Barrio Viejo), the average temperature is 26°C (78°F), with maximums reaching 32°C (90°F) and minimums dipping to as low as 22°C (72°F). This pleasant climate makes it an ideal destination for travelers seeking warm and comfortable weather.

September Weather in San Jose Ixtapa (Barrio Viejo): Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose Ixtapa (Barrio Viejo), showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose Ixtapa (Barrio Viejo), September typically has an average temperature of 26°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for San Jose Ixtapa (Barrio Viejo) generated using information from the Copernicus Climate Change Service.

September Precipitation in San Jose Ixtapa (Barrio Viejo)

In San Jose Ixtapa (Barrio Viejo) in September, the precipitation amount is 304 mm (12.0 in) spread over a total of 24 days.

September Precipitation Trends in San Jose Ixtapa (Barrio Viejo)

The chart displays monthly precipitation patterns in San Jose Ixtapa (Barrio 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 San Jose Ixtapa (Barrio Viejo), September typically receives around 304 mm (12.0 inches) of precipitation spread over approximately 24 days.

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

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September Humidity in San Jose Ixtapa (Barrio Viejo)

In San Jose Ixtapa (Barrio Viejo) in September humidity is 78%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making travel a bit more challenging as the air is thick and can leave you feeling sticky and sluggish. Be sure to stay hydrated and take breaks to enjoy the local sights without overheating.

September Average Humidity in San Jose Ixtapa (Barrio Viejo)

This chart illustrates the average monthly humidity levels in San Jose Ixtapa (Barrio 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 San Jose Ixtapa (Barrio Viejo) is approximately 78%, 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 San Jose Ixtapa (Barrio Viejo)

In San Jose Ixtapa (Barrio Viejo) 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 San Jose Ixtapa (Barrio Viejo).

Maximum UV Index Levels in San Jose Ixtapa (Barrio Viejo) for September

The chart shows the monthly maximum UV Index (UVI) for San Jose Ixtapa (Barrio 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 San Jose Ixtapa (Barrio Viejo) typically reaches 13, which falls under the extreme exposure category.

Data source: San Jose Ixtapa (Barrio 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 San Jose Ixtapa (Barrio Viejo) Compares to Other Months

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

This table compares monthly weather conditions in San Jose Ixtapa (Barrio Viejo), showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (75°F)	3 mm (0.1 inches)	66%	very high
February Weather	23°C (74°F)	4 mm (0.1 inches)	64%	extreme
March Weather	24°C (76°F)	0 mm (0.0 inches)	63%	extreme
April Weather	24°C (76°F)	0 mm (0.0 inches)	69%	extreme
May Weather	25°C (78°F)	12 mm (0.5 inches)	73%	extreme
June Weather	26°C (79°F)	251 mm (9.9 inches)	76%	extreme
July Weather	26°C (80°F)	115 mm (4.5 inches)	78%	extreme
August Weather	26°C (79°F)	255 mm (10.0 inches)	79%	extreme
September Weather	26°C (78°F)	304 mm (12.0 inches)	78%	extreme
October Weather	25°C (78°F)	278 mm (10.9 inches)	75%	extreme
November Weather	25°C (77°F)	47 mm (1.9 inches)	72%	very high
December Weather	24°C (75°F)	6 mm (0.2 inches)	70%	very high