Uruguay weather in September 2025
Uruguay weather in September 2025
Day
17 °C
Night
9 °C
Sea
13 °C
Precipitation
85 mm
in month
Rainy days
8 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
78 %
Day
17 °C
Night
9 °C
Sea
13 °C
Precipitation
85 mm
in month
Rainy days
8 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
78 %
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Weather overview and FAQs
Weather overview
In September in Uruguay, the average air temperature ranges from 17 °C (62 °F) during the day to 9 °C (48 °F) at night. There are 8 days of rain on average, where the rainfall is 85 mm (3.34 in).
Is September a good month to visit Uruguay?
Uruguay can be visited in September - the weather will be moderate. A relatively low temperature of 17 °C (62 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What level of humidity is to expect in Uruguay in September?
In Uruguay in September, expect humidity around 78 %.
What is the temperature in Uruguay during the day in September?
In September in Uruguay, the average daily temperatures will be 17 °C (62 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
What is the average number of rainy days in Uruguay in September?
In Uruguay in September, we can expect 8 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.8 days of the week, or in general - 26 % days.
What is the rainfall intensity in Uruguay in September?
In Uruguay in September, there is 85 mm (3.34 in) rainfall, which means on average 3 mm (0.11 in) rainfall per day.
How many hours of sun to expect in September in Uruguay?
In Uruguay in September, you can expect around 6 hours of sunshine.
What is the night temperature in September in Uruguay?
The average night temperature in Uruguay in September is 9 °C (48 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
Is there a wet season in September in Uruguay?
No, there is no wet season in Uruguay in September - you can expect 8 days of rain during the month.
Is the weather in Uruguay warmer in September than in August?
Yes, in Uruguay in September it is warmer than in August by 1 °C (34 °F).
How long is the day (from dawn till dusk) in Uruguay in September?
The length of daylight in Uruguay in September is 12 hours.
Is Uruguay rainier in September than in October?
No, in Uruguay in September it does not rain more than in October.
Is the sea in Uruguay warmer in September than in August?
Yes, in Uruguay the sea is warmer in September than in August by 1 °C (34 °F).
What is the temperature trend in September in Uruguay?
Over the course of September in Uruguay, the temperatures are rising from 16 °C (61 °F) at the beginning of the month to 18 °C (65 °F) at the end of the month.
How windy is Uruguay in September?
In September in Uruguay, there will be an average wind scale of 5.
How does the sea temperature evolve during the month in Uruguay in September?
The sea temperature during September in Uruguay has an increasing tendency from 12 °C (54 °F) at the beginning of the month to 14 °C (57 °F) at the end of the month.