Montevideo in september: average Weather, Temperature and Climate
Weather in Montevideo in september 2025
The weather in Montevideo in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
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%
Evolution of daily average temperature and precipitation in Montevideo in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Montevideo in september.
The climate of Montevideo in september is good
the weather in Montevideo in september is rather dry (with 5.9in of precipitation over 6 days). The situation is deteriorating compared to the previous month since in august there is an average of 5.7in of precipitation over 5 days.
The climate is relatively cool in this city september, but it is livable when dressing cosy. The high seasonal norm is 63°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average on this month of september in Montevideo is 58°F. Note that seasonal normals are in contrast with those observed in Montevideo in september with a maximum record of 79°F in 2013 and a minimum record of 40°F in 2020. You can hope to have about 10 days with temperatures up to 65°F, or 33% of the month.
On average, in Montevideo, the days of september last 11:52. Sunrise is at 06:44 and sunset is at 18:36.
With good weather conditions, the month of september is a good time to go in Montevideo in Uruguay.
Seasonal average climate and temperature of Montevideo in september
Check below seasonal norms These datas are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 63°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 79°F (2013) | ||||
| Lowest record temperature | 40°F (2020) | ||||
| Number of days at +65°F | 10 day(s) (33%) | ||||
| Sea temperature | |||||
| Average sea temperature | 56°F | ||||
| Lowest sea temperature | 52°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.9in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 4.2in (2019) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.31km | ||||
| Cloud cover | 36% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:44 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 11:52 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Montevideo in september 2024:
52°F to 54°F
49°F to 65°F
52°F to 61°F
50°F to 61°F
47°F to 58°F
45°F to 63°F
50°F to 67°F
52°F to 65°F
50°F to 70°F
59°F to 70°F
50°F to 59°F
47°F to 58°F
47°F to 65°F
50°F to 58°F
43°F to 63°F
47°F to 68°F
52°F to 70°F
54°F to 74°F
58°F to 65°F
59°F to 68°F
52°F to 74°F
59°F to 74°F
56°F to 61°F
56°F to 65°F
56°F to 65°F
58°F to 63°F
52°F to 70°F
54°F to 72°F
58°F to 77°F
65°F to 79°F
Map: other cities in Uruguay in september
Cities near Montevideo:
| Barra de Carrasco in september | good weather |
| Las Piedras in september | good weather |
| Atlantida in september | good weather |
| Canelones in september | good weather |
| La Floresta in september | good weather |
| San Jose de Mayo in september | good weather |
| Piriápolis in september | good weather |
| Minas in september | good weather |
| Punta del Este in september | good weather |
| San Carlos in september | good weather |
| Colonia del Sacramento in september | good weather |
| Rocha in september | good weather |
Click over cities on the map for information about the weather in september.
Montevideo
perfect weather
good
tolerable
bad
very bad
Weather data for Montevideo in september:
Weather data for Montevideo for september are derived from an average of the weather forecast since 2009 in Montevideo. There is a margin of error and these forecasts are to be considered as general information only. The weather in Montevideo can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Montevideo.