Arroio Grande Weather in September
What's the weather like in Arroio Grande (Rio Grande do Sul) in September 2024?
The climate in Arroio Grande during September can be summarized as mild and wet.
September is in the spring in Arroio Grande and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 19.6°C 67.2°F |
|---|---|
| Nightly temperature | 10.7°C 51.2°F |
| Average temperature | 15.1°C 59.2°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 127 mm 5 ins |
| Rainy days | 13 days |
| Sea temperature | 14.3°C 57.7°F |
| Humidity | 80% |
| Windspeed | 13kph 8 mph |
On average September is the wettest month of the year in Arroio Grande with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
September temperatures in Arroio 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 Arroio Grande in September 2024.
Other monthly averages
Best places to visit in September
Arroio Grande weather stats
| Hottest month: | January | 28.9°C 84°F |
|---|---|---|
| Driest month: | December | 73mm 2.9ins |
| Sunniest month: | December | 9.4hrs |
| Coldest month: | July | 17°C 62.6°F |
| Wettest month: | September | 127mm 5ins |
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