Rio Grande Weather in September
What's the weather like in Rio Grande (Rio Grande do Sul) in September 2024?
The climate in Rio Grande during September can be summarized as mild and wet.
September is in the spring in Rio Grande and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (65°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 18.5°C 65.2°F |
|---|---|
| Nightly temperature | 12°C 53.5°F |
| Average temperature | 15.2°C 59.4°F |
| Daily sunshine | 5.8 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 15 days |
| Sea temperature | 14.6°C 58.2°F |
| Humidity | 83% |
| Windspeed | 12.2kph 8 mph |
On average September is the 2nd wettest month of the year in Rio Grande with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
September temperatures in Rio Grande
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Rio Grande in September 2024.
Other monthly averages
Best places to visit in September
Rio Grande weather stats
| Hottest month: | January | 27.5°C 81.5°F |
|---|---|---|
| Driest month: | December | 66mm 2.6ins |
| Sunniest month: | December | 9.6hrs |
| Coldest month: | July | 16.1°C 61°F |
| Wettest month: | July | 131mm 5.2ins |
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