Rosario in september: average Weather, Temperature and Climate
Weather in Rosario in september 2025
The weather in Rosario in 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
good weather
Weather at 6am
52°F
Clear/Sunny
45% of time
20%
15%
9%
Weather at 12pm
67°F
Clear/Sunny
55% of time
20%
10%
9%
Weather at 6pm
67°F
Clear/Sunny
58% of time
18%
9%
7%
Weather at 3am
54°F
48%
22%
12%
8%
Evolution of daily average temperature and precipitation in Rosario in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rosario in september.
The climate of Rosario in september is good
In september in Rosario, the climate is quite dry (with 3.6in of precipitation over 4 days). The weather's not getting better compared to the previous month since in august there is an average of 2.8in of rainfall over 3 days.
The climate enjoyable in this city september. The thermometer averaged maximum of 72°F. On average, the recorded minimum temperature is 52°F. Thus, the mean temperature average on this month of september in Rosario is 61°F. Note that these seasonal averages are in contrast with those observed in Rosario in the month of september with a maximum record of 97°F in 2019 and a minimum record of 34°F in 2019. You can expect to have about 24 days with temperatures over 65°F, or 80% of the month.
On this month of september, day length in Rosario is generally 11:54. Sunrise is at 07:01 and sets at 18:55.
With a good climate, this month is advisable to go in this locality.
Seasonal average climate and temperature of Rosario in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 72°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 97°F (2019) | ||||
| Lowest record temperature | 34°F (2019) | ||||
| Number of days at +86°F | 2 day(s) (7%) | ||||
| Number of days at +65°F | 24 day(s) (80%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.6in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 3.2in (2017) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.21km | ||||
| Cloud cover | 30% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:01 | ||||
| Time of sunset | 18:55 | ||||
| Length of day | 11:54 | ||||
| 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 Rosario in september 2024:
43°F to 63°F
47°F to 74°F
56°F to 68°F
49°F to 68°F
45°F to 70°F
52°F to 74°F
50°F to 77°F
50°F to 77°F
49°F to 79°F
59°F to 81°F
54°F to 67°F
45°F to 68°F
47°F to 74°F
49°F to 70°F
41°F to 76°F
49°F to 81°F
50°F to 76°F
54°F to 86°F
67°F to 85°F
56°F to 79°F
58°F to 86°F
65°F to 88°F
54°F to 77°F
52°F to 77°F
50°F to 72°F
54°F to 63°F
47°F to 79°F
52°F to 85°F
56°F to 90°F
70°F to 97°F
Map: other cities in Argentina in september
Cities near Rosario:
| Paraná in september | good weather |
| San Antonio de Areco in september | tolerable weather |
| Concepción del Uruguay in september | good weather |
| Buenos Aires in september | good weather |
| Almte. Brown in september | good weather |
| Quilmes in september | good weather |
| Concordia in september | good weather |
| La Plata in september | good weather |
| Cordoba in september | good weather |
| Magdalena in september | good weather |
| General Pico in september | tolerable weather |
| Azul in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Rosario
perfect weather
good
tolerable
bad
very bad
Weather data for Rosario in september:
Weather data for Rosario for september are derived from an average of the weather forecast since 2009 in Rosario. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rosario 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 Rosario.