September Weather in Belen, Uruguay

Last updated: August 28, 2025

In Belen, Uruguay, the average temperature in September hovers around 17°C (63°F). Expect a range where the minimum can dip to 3°C (37°F) and the maximum can soar to 34°C (93°F). During this time, the region typically receives 133 mm (5.2 in) of precipitation over about 9 days, accompanied by an average humidity of 60%. Prepare for a month of variable weather!

September Temperature in Belen

In September in Belen, the average temperature is 17°C (63°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 3°C (37°F). Travelers should be prepared for warm days and cool nights.

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

The chart illustrates September temperature patterns in Belen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belen, September typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).

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

September Precipitation in Belen

In Belen in September, the precipitation amount is 133 mm (5.2 in) spread over a duration of 9 days.

September Precipitation Trends in Belen

The chart displays monthly precipitation patterns in Belen, 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 Belen, September typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 9 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 Belen

In Belen in September humidity is 60%. With an average temperature of 17°C (63°F), this humidity feels like a slight weight in the air, making it perfect for leisurely strolls but a bit sticky for intense outdoor activities.

September Average Humidity in Belen

This chart illustrates the average monthly humidity levels in Belen, 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 Belen is approximately 60%, 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 Belen

In Belen in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Belen.

Maximum UV Index Levels in Belen for September

The chart shows the monthly maximum UV Index (UVI) for Belen 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 Belen typically reaches 9, which falls under the very high exposure category.

Data source: Belen 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 Belen Compares to Other Months

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

This table compares monthly weather conditions in Belen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	129 mm (5.1 inches)	59%	extreme
February Weather	25°C (77°F)	109 mm (4.3 inches)	56%	extreme
March Weather	23°C (73°F)	101 mm (4.0 inches)	69%	extreme
April Weather	20°C (69°F)	102 mm (4.0 inches)	78%	very high
May Weather	16°C (61°F)	132 mm (5.2 inches)	82%	high
June Weather	14°C (57°F)	102 mm (4.0 inches)	81%	moderate
July Weather	13°C (55°F)	63 mm (2.5 inches)	66%	moderate
August Weather	14°C (58°F)	107 mm (4.2 inches)	54%	high
September Weather	17°C (63°F)	133 mm (5.2 inches)	60%	very high
October Weather	19°C (67°F)	136 mm (5.3 inches)	59%	extreme
November Weather	23°C (73°F)	87 mm (3.4 inches)	57%	extreme
December Weather	25°C (77°F)	71 mm (2.8 inches)	68%	extreme