September Weather in Asuncion, Paraguay

Last updated: August 31, 2025

In September, the average temperature in Asuncion, Paraguay is a warm 23°C (73°F). Temperatures can fluctuate widely, with minimums around 9°C (49°F) and soaring maximums of 41°C (107°F). Visitors can expect an average precipitation of 71 mm (2.8 in) spread over 6 days, alongside a comfortable average humidity level of 46%.

September Temperature in Asuncion

In September in Asuncion, the average temperature is 23°C (73°F). Maximum temperatures can reach 41°C (107°F), while minimum temperatures can drop as low as 9°C (49°F). Be prepared for a diverse range of weather conditions when planning your trip!

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

The chart illustrates September temperature patterns in Asuncion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Asuncion, September typically has an average temperature of 23°C (73°F), with highs reaching up to 41°C (107°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Asuncion

In Asuncion in September, the precipitation amount is 71 mm (2.8 in) over a span of 6 days.

September Precipitation Trends in Asuncion

The chart displays monthly precipitation patterns in Asuncion, 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 Asuncion, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 6 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 Asuncion

In Asuncion in September, humidity is 46%. With an average temperature of 23°C (73°F), this humidity feels like a warm, inviting embrace, making it pleasant for traveling as the air is comfortably moist without being too sticky or overwhelming.

September Average Humidity in Asuncion

This chart illustrates the average monthly humidity levels in Asuncion, 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 Asuncion is approximately 46%, 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 Asuncion

In Asuncion in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Asuncion.

Maximum UV Index Levels in Asuncion for September

The chart shows the monthly maximum UV Index (UVI) for Asuncion 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 Asuncion typically reaches 10, which falls under the very high exposure category.

Data source: Asuncion 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 Asuncion Compares to Other Months

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

This table compares monthly weather conditions in Asuncion, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	132 mm (5.2 inches)	80%	extreme
February Weather	27°C (81°F)	95 mm (3.7 inches)	74%	extreme
March Weather	26°C (79°F)	97 mm (3.8 inches)	75%	extreme
April Weather	23°C (74°F)	128 mm (5.0 inches)	80%	very high
May Weather	20°C (68°F)	128 mm (5.0 inches)	80%	high
June Weather	18°C (65°F)	68 mm (2.7 inches)	67%	moderate
July Weather	17°C (64°F)	43 mm (1.7 inches)	61%	high
August Weather	20°C (67°F)	48 mm (1.9 inches)	40%	very high
September Weather	23°C (73°F)	71 mm (2.8 inches)	46%	very high
October Weather	25°C (76°F)	180 mm (7.1 inches)	49%	extreme
November Weather	26°C (79°F)	165 mm (6.5 inches)	72%	extreme
December Weather	27°C (81°F)	109 mm (4.3 inches)	82%	extreme