September Weather in San Jose de las Flores, Mexico

Last updated: August 27, 2025

In September, the average temperature in San Jose de las Flores, Mexico hovers around 21°C (69°F), with a comfortable minimum of 13°C (55°F) and a pleasant maximum of 29°C (85°F). Expect 216 mm (8.5 in) of precipitation spread over 22 days, contributing to an average humidity level of 84%.

September Temperature in San Jose de las Flores

In September in San Jose de las Flores, the average temperature is 21°C (69°F). Maximum temperatures can reach 29°C (85°F), while minimum temperatures can drop to as low as 13°C (55°F). This climate makes San Jose de las Flores an ideal destination for travelers looking to enjoy mild and comfortable weather during their visit.

September Weather in San Jose de las Flores: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jose de las Flores, 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 de las Flores, September typically has an average temperature of 21°C (69°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (55°F).

Data source: Temperature data for San Jose de las Flores generated using information from the Copernicus Climate Change Service.

September Precipitation in San Jose de las Flores

In San Jose de las Flores in September, the total precipitation amount is 216 mm (8.5 in) over the course of 22 days.

September Precipitation Trends in San Jose de las Flores

The chart displays monthly precipitation patterns in San Jose de las Flores, 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 de las Flores, September typically receives around 216 mm (8.5 inches) of precipitation spread over approximately 22 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in San Jose de las Flores

In San Jose de las Flores in September, humidity is 84%. With an average temperature of 21°C (69°F), this humidity feels like a thick blanket enveloping you, making even the simplest outdoor activities feel exhausting and sticky, which can be quite challenging for traveling.

September Average Humidity in San Jose de las Flores

This chart illustrates the average monthly humidity levels in San Jose de las Flores, 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 de las Flores is approximately 84%, 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 de las Flores

In San Jose de las Flores 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 de las Flores.

Maximum UV Index Levels in San Jose de las Flores for September

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

Data source: San Jose de las Flores 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 de las Flores Compares to Other Months

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

This table compares monthly weather conditions in San Jose de las Flores, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	8 mm (0.3 inches)	64%	very high
February Weather	18°C (65°F)	11 mm (0.4 inches)	57%	extreme
March Weather	21°C (70°F)	3 mm (0.1 inches)	46%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (76°F)	25 mm (1.0 inches)	51%	extreme
June Weather	23°C (74°F)	131 mm (5.1 inches)	74%	extreme
July Weather	21°C (70°F)	257 mm (10.1 inches)	79%	extreme
August Weather	21°C (70°F)	231 mm (9.1 inches)	81%	extreme
September Weather	21°C (69°F)	216 mm (8.5 inches)	84%	extreme
October Weather	20°C (68°F)	71 mm (2.8 inches)	75%	extreme
November Weather	18°C (65°F)	17 mm (0.7 inches)	71%	very high
December Weather	16°C (61°F)	7 mm (0.3 inches)	74%	very high