September Weather in Topia, Mexico

Last updated: August 27, 2025

In Topia, Mexico, the average temperature in September hovers around 18°C (65°F), with a minimum of 10°C (51°F) and a maximum reaching 29°C (85°F). Expect substantial precipitation, averaging 238 mm (9.4 in) over 26 days, while humidity remains high at 88%. Prepare for a blend of cool and warm days, perfect for those who enjoy varied weather!

September Temperature in Topia

In September in Topia, the average temperature is 18°C (65°F). Maximum temperatures can reach 29°C (85°F), while minimum temperatures can drop to as low as 10°C (51°F). This makes Topia a comfortable destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Topia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Topia, September typically has an average temperature of 18°C (65°F), with highs reaching up to 29°C (85°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Topia

In Topia in September, the precipitation amount is 238 mm (9.4 in) over a period of 26 days.

September Precipitation Trends in Topia

The chart displays monthly precipitation patterns in Topia, 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 Topia, September typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 26 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 Topia

In Topia in September, humidity is 88%. With an average temperature of 18°C (65°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sticky and the air thick, which can be quite tiring when exploring the area.

September Average Humidity in Topia

This chart illustrates the average monthly humidity levels in Topia, 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 Topia is approximately 88%, 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 Topia

In Topia 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 Topia.

Maximum UV Index Levels in Topia for September

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

Data source: Topia 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 Topia Compares to Other Months

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

This table compares monthly weather conditions in Topia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	27 mm (1.1 inches)	76%	very high
February Weather	11°C (52°F)	51 mm (2.0 inches)	69%	extreme
March Weather	13°C (57°F)	11 mm (0.4 inches)	57%	extreme
April Weather	16°C (61°F)	8 mm (0.3 inches)	49%	extreme
May Weather	18°C (65°F)	16 mm (0.6 inches)	49%	extreme
June Weather	20°C (68°F)	163 mm (6.4 inches)	64%	extreme
July Weather	18°C (65°F)	407 mm (16.0 inches)	82%	extreme
August Weather	19°C (67°F)	286 mm (11.2 inches)	87%	extreme
September Weather	18°C (65°F)	238 mm (9.4 inches)	88%	extreme
October Weather	17°C (63°F)	82 mm (3.2 inches)	83%	extreme
November Weather	14°C (57°F)	54 mm (2.1 inches)	84%	very high
December Weather	10°C (51°F)	54 mm (2.1 inches)	86%	high