September Weather in Salto, Uruguay

Last updated: August 28, 2025

In September, the average temperature in Salto, Uruguay hovers around 16°C (62°F). You can expect a minimum temperature of 2°C (37°F) and a maximum that can reach up to 33°C (92°F). Be prepared for occasional rainfall, with an average precipitation of 120 mm (4.7 in) spread over 8 days. Additionally, the air maintains an average humidity of around 60%, creating a pleasant yet slightly moist atmosphere.

September Temperature in Salto

In September in Salto, the average temperature is 16°C (62°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 2°C (37°F). This variability makes Salto an ideal destination for travelers seeking diverse weather experiences.

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

The chart illustrates September temperature patterns in Salto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salto, September typically has an average temperature of 16°C (62°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (37°F).

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

September Precipitation in Salto

In Salto in September, the total precipitation amount reaches 120 mm (4.7 in) over the course of 8 days.

September Precipitation Trends in Salto

The chart displays monthly precipitation patterns in Salto, 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 Salto, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 8 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 Salto

In Salto in September humidity is 60%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as the mild temperature and moisture keep the air crisp and invigorating.

September Average Humidity in Salto

This chart illustrates the average monthly humidity levels in Salto, 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 Salto 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 Salto

In Salto 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 Salto.

Maximum UV Index Levels in Salto for September

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

Data source: Salto 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 Salto Compares to Other Months

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

This table compares monthly weather conditions in Salto, 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)	126 mm (5.0 inches)	59%	extreme
February Weather	25°C (76°F)	95 mm (3.7 inches)	56%	extreme
March Weather	22°C (73°F)	86 mm (3.4 inches)	69%	extreme
April Weather	20°C (68°F)	105 mm (4.1 inches)	78%	very high
May Weather	15°C (60°F)	124 mm (4.9 inches)	82%	moderate
June Weather	13°C (56°F)	116 mm (4.6 inches)	81%	moderate
July Weather	12°C (54°F)	69 mm (2.7 inches)	66%	moderate
August Weather	14°C (57°F)	104 mm (4.1 inches)	54%	high
September Weather	16°C (62°F)	120 mm (4.7 inches)	60%	very high
October Weather	19°C (66°F)	108 mm (4.3 inches)	59%	extreme
November Weather	22°C (73°F)	94 mm (3.7 inches)	57%	extreme
December Weather	24°C (76°F)	77 mm (3.0 inches)	68%	extreme