Rio Grande in september: average Weather, Temperature and Climate
Weather in Rio Grande in september 2025
The weather in Rio Grande in the month of september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 67cm
Weather at 6am
38°F
Clear/Sunny
34% of time
32%
11%
9%
Weather at 12pm
43°F
Partly Cloudy
33% of time
27%
19%
9%
Weather at 6pm
43°F
Partly Cloudy
33% of time
27%
15%
12%
Weather at 3am
40°F
32%
30%
15%
10%
Evolution of daily average temperature and precipitation in Rio Grande in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rio Grande in september.
The climate of Rio Grande in september is very bad
the weather in Rio Grande in september is relatively dry (with 2in of rainfall over 3 days). This is better than the previous month since in august it receives an average of 2.8in of rainfall over 4 days.
The climate is quite cold there this month. Bring warm clothes! The high seasonal norm is 45°F. On average, the recorded minimum temperature is 38°F. Thus, the mean temperature average on this month of september in Rio Grande is 41°F. Note that seasonal normals in contrast with those observed in Rio Grande in september with a maximum record of 56°F in 2017 and a minimum record of 27°F in 2011.
Day length in Rio Grande in september is 11:41. The sun rises at 07:36 and sets at 19:17.
September: another location in Argentina?
If you want to go to Argentina in september, there are destinations with better weather than Rio Grande:
In september, La Rioja, Santiago del Estero, Corrientes, Formosa, San Miguel de Tucumán and Tartagal have perfect weather.
Furthermore, Buenos Aires, Cordoba, Iguazú, Mendoza, Salta and Puerto Madryn have good weather.
Finally, Mar del Plata, Bahía Blanca, Catamarca (San Fernando del Valle de Catamarca), Purmamarca (Seven Colors Mountain), San Rafael and Comodoro Rivadavia have a tolerable climate, but better than Rio Grande.
Seasonal average climate and temperature of Rio Grande in september
Check below seasonal norms These datas are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 41°F | ||||
| Highest temperature | 45°F | ||||
| Lowest temperature | 38°F | ||||
| Highest record temperature | 56°F (2017) | ||||
| Lowest record temperature | 27°F (2011) | ||||
| Number of days at -32°F | 4 day(s) (13%) | ||||
| Wind | |||||
| Wind speed | 29km/h | ||||
| Wind temperature | 31°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 1.6in (2014) | ||||
| Snowfall | 67cm | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.01km | ||||
| Cloud cover | 47% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:36 | ||||
| Time of sunset | 19:17 | ||||
| Length of day | 11:41 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Rio Grande in september 2024:
41°F to 45°F
38°F to 45°F
40°F to 43°F
38°F to 45°F
41°F to 45°F
41°F to 45°F
38°F to 45°F
41°F to 47°F
34°F to 41°F
38°F to 43°F
40°F to 43°F
38°F to 41°F
34°F to 40°F
36°F to 40°F
38°F to 43°F
40°F to 49°F
38°F to 45°F
34°F to 43°F
34°F to 45°F
31°F to 34°F
32°F to 41°F
32°F to 38°F
34°F to 41°F
31°F to 34°F
38°F to 43°F
36°F to 45°F
36°F to 41°F
32°F to 38°F
31°F to 36°F
31°F to 40°F
Map: other cities in Argentina in september
Cities near Rio Grande:
| Cabo San Pablo in september | very bad weather |
| Paramo Chico in september | very bad weather |
| Ushuaia in september | very bad weather |
| Isla de los Estados in september | very bad weather |
| Río Gallegos in september | very bad weather |
| Río Turbio in september | very bad weather |
| Comandante Luis Piedra Buena in september | bad weather |
| El Calafate in september | very bad weather |
| Puerto San Julián in september | bad weather |
| Perito Moreno in september | very bad weather |
| El Chalten in september | very bad weather |
| Fitz Roy in september | very bad weather |
Click over cities on the map for information about the weather in september.
Rio Grande
perfect weather
good
tolerable
bad
very bad
Weather data for Rio Grande in september:
Weather data for Rio Grande for september are derived from an average of the weather forecast since 2009 in Rio Grande. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rio Grande 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 Rio Grande.