Uruguay in september: average Weather, Temperature and Climate, Where to go?
Weather in Uruguay in september 2025
Below, you have access to the weather forecast for september for most popular cities in Uruguay. These forecasts are probabilities for the month of september from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in september in Montevideo
good weather
Weather at 6am
54°F
Clear/Sunny
47% of time
23%
10%
9%
Weather at 12pm
61°F
Clear/Sunny
48% of time
21%
14%
12%
Weather at 6pm
59°F
Clear/Sunny
49% of time
19%
17%
9%
Weather at 3am
54°F
46%
24%
12%
9%
More information about the weather in Montevideo in september
Where to go in Uruguay in september?
Where to go in Uruguay in september: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in september?
| Atlantic coast of Uruguay (Punta del Este, Rocha, Piriápolis...) | 61°F to 65°F | 5 à 6 days | 56°F | good weather |
| Central of Uruguay (Melo, Minas...) | 61°F to 68°F | 5 à 7 days | good weather | |
| North of Uruguay (Salto, Paysandú, Rivera...) | 70°F to 74°F | 5 à 8 days | good weather | |
| Río de la Plata (Montevideo, Colonia del Sacramento, Carmelo...) | 63°F to 68°F | 4 à 6 days | 56°F to 58°F | good weather |
Where should you go in Uruguay in september when it comes to the weather?
Remember:
The climate in Uruguay in september is good across the board.
Good news: It is not perfect, however, the weather in Uruguay that month is, on average, good averywhere: in La Paloma, Colonia del Sacramento, Carmelo, Salto, Montevideo, Punta del Este, Paysandú, Rocha, Piriápolis and Rivera. I allows to savor vacation in these cities. And even why not take a little time to lazing in the sun!
Climate in Uruguay in september
Climate in Montevideo in september
In the month of september, maximum temperature is 63°F and minimum temperature is 54°F (for an average temperature of 58°F). The climate is rather fresh in that area in the month of september, but it is bearable when dressing cosy. With 5.9in over 6 days, rainfall can happen for your stay. But this is moderate and you will not be too bothered by it.
With a good climate, september is a good month to go in that area.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 56°F | ||
| Rainfall | 5.9in | ||
| Number of days with rainfall | 6 day(s) (18%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 36% | ||
| Length of day | 11:52 | ||
| Our opinion at whereandwhen.net | good |
Climate in Punta del Este in september
In september, maximum temperature is 61°F and minimum temperature is 54°F (for an average temperature of 58°F). The climate is relatively cool in that area in the month of september, but it is tolerable by dressing hot. With 5.2in over 5 days, rain may occur during your vacations. But this is moderate and it is only of temporary showers.
With a good climate, the month of september is a good time to go in that area in Uruguay.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 61°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 55°F | ||
| Rainfall | 5.2in | ||
| Number of days with rainfall | 5 day(s) (18%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 38% | ||
| Length of day | 11:52 | ||
| Our opinion at whereandwhen.net | good |
Climate in Carmelo in september
In the month of september, maximum temperature is 68°F and minimum temperature is 52°F (for an average temperature of 59°F). The climate is fairly fresh here in the month of september, but it is tolerable when dressing hot. With 3.1in over 4 days, you risk getting wet slightly throughout your vacations. But this is reasonably and it is only of temporary showers.
With a good weather, september is a good time to go in this city in Uruguay.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 56°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 33% | ||
| Length of day | 11:53 | ||
| Our opinion at whereandwhen.net | good |
Climate in Colonia del Sacramento in september
In september, the mean temperature in Colonia del Sacramento is 58°F (maximum temperature is 63°F and minimum temperature is 54°F). The climate is fairly fresh there in september, but it is tolerable when dressing hot. With 5.5in over 5 days, you risk getting wet slightly for your trip. But this is moderate and it is only of temporary showers.
With a good climate, the month of september is a good month to go in Colonia del Sacramento.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 5.5in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 34% | ||
| Length of day | 11:53 | ||
| Our opinion at whereandwhen.net | good |
Climate in La Paloma in september
In the month of september, maximum temperature is 65°F and minimum temperature is 52°F (for an average temperature of 59°F). The climate is rather fresh here in september, but it is endurable by dressing hot. With 5.9in over 6 days, you risk getting wet slightly during your holidays. But this is rather moderate and it will not be continuous.
With good weather conditions, september is a good time to go there in Uruguay.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 65°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 55°F | ||
| Rainfall | 5.9in | ||
| Number of days with rainfall | 6 day(s) (20%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 43% | ||
| Length of day | 11:52 | ||
| Our opinion at whereandwhen.net | good |
All cities in Uruguay in september
| Montevideo in september | good weather |
| Punta del Este in september | good weather |
| Carmelo in september | good weather |
| Colonia del Sacramento in september | good weather |
| La Paloma in september | good weather |
| Paysandú in september | good weather |
| Piriápolis in september | good weather |
| Rivera in september | good weather |
| Rocha in september | good weather |
| Salto in september | good weather |
| Atlantida in september | good weather |
| Barra de Carrasco in september | good weather |
| Bella Union in september | good weather |
| Canelones in september | good weather |
| Castillos in september | good weather |
| Fray Bentos in september | good weather |
| La Floresta in september | good weather |
| Las Piedras in september | good weather |
| Melo in september | good weather |
| Mercedes in september | good weather |
| Minas in september | good weather |
| San Carlos in september | good weather |
| San Jose de Mayo in september | good weather |
| Tacuarembó in september | good weather |
Weather data for Uruguay in september:
Weather data for Uruguay in september is derived from an average of the weather forecast since 2009 in Uruguay. There is a margin of error and these forecasts are to be considered as general information only. The weather in Uruguay can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Uruguay.