Weather in Rosario: September
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Average day temperature: | 69.3°F |
| Average night temperature: | 52.7°F | |
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Number of sunny days: | 17 days |
| Day length: | 11.4 - 12.4 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.8 in. | |
| more information | ||
14 days
forecast
forecast
| Rosario |
weather in
October
October
| Rosario |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 36°F. Daily and nightly averages during September were 69.1°F and 52.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Rosario in September is 0.8 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 6.9 mph It makes September one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.4.
Best time for vacation in Rosario
Rosario on a weather map
Places in Argentina:
Name
°F
24 Hours Forecast
Rosario
Local time: 20:09
December 14, sunday
2100
66°F
N
14 mph
14 mph
December 15, monday
0000
64°F
NW
8 mph
8 mph
0300
63°F
N
7 mph
7 mph
0600
63°F
N
6 mph
6 mph
0900
70°F
N
11 mph
11 mph
1200
84°F
NE
11 mph
11 mph
1500
90°F
NE
15 mph
15 mph
1800
86°F
NE
15 mph
15 mph
