Normal weather for Montevideo in September
It's pleasantly warm in September in Montevideo with an average temperature of 19°C. Temperatures this month range from a low of 16°C to a high of 21°C. At night, you can expect temperatures between 8°C and 12°C.
In September, there is an average of 124 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Montevideo in September |
New York | ||
|---|---|---|---|
 Average Temperature |
19°C | 27°C | |
 High Temp |
21°C | 31°C | |
| Low Temp |
16°C | 21°C | |
 Total Precipitation |
124 mm | 57 mm | |
| Rainy Days |
15 days | 9 days | |
Start of September
The month of September starts in Montevideo with mild temps, averaging around 18°C during the day and nights around 10°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid September
By mid-September, daytime temps rise to around 20°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
End of September
By the end of September, the average daytime temperature in Montevideo is around 21°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
Find affordable trips to Montevideo 
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Montevideo?
Looking for sun? September isn’t a good month to be in Montevideo. The temperature is nice, but there’s too much chance of rain.
Temperature records for Montevideo in September
Check out the climate of Montevideo for all months and discover the best travel time
August
Plan your next vacation
Don’t miss the best vacation deals for Montevideo and see what our partners have for you.
Daily Temperature in September in Montevideo
This chart shows the average daily high and low temperatures in September for Montevideo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Montevideo
The chart below shows the average daily precipitation in September for Montevideo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 15 days of precipitation in Montevideo.
Daily UV Index in September in Montevideo
This chart shows the average daily UV index in September in Montevideo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Montevideo Over the Years
This chart shows the average temperature in September in Montevideo, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Montevideo Over the Years
This chart shows the average precipitation in September in Montevideo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Montevideo
Click on any day in September to get detailed info about the usual weather on that day in Montevideo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Montevideo
The weather in September in Montevideo is rated 0 out of 5 stars by 1 visitor. Have you been to Montevideo? Share your weather experience to help other visitors.
Have you been to Montevideo in September?
Share your weather experience in September in Montevideo.
Average Weather in Montevideo by Month
Click on a month below to see detailed weather info for Montevideo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Montevideo for all months at once
