Petrópolis Weather in September
What's the weather like in Petrópolis (Rio de Janeiro) in September 2024?
The climate in Petrópolis during September can be summarized as warm and damp.
September is in the spring in Petrópolis and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 25°C 77°F |
|---|---|
| Nightly temperature | 14.8°C 58.6°F |
| Average temperature | 19.9°C 67.8°F |
| Daily sunshine | 5.1 hrs |
| Avg rainfall | 109 mm 4.3 ins |
| Rainy days | 11 days |
| Sea temperature | 21.9°C 71.5°F |
| Humidity | 82% |
| Windspeed | 9kph 6 mph |
On average September is the 5th driest month of the year in Petrópolis with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
September temperatures in Petrópolis
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 Petrópolis in September 2024.
Other monthly averages
Best places to visit in September
Petrópolis weather stats
| Hottest month: | February | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | July | 62mm 2.4ins |
| Sunniest month: | July | 6.5hrs |
| Coldest month: | July | 23.2°C 73.8°F |
| Wettest month: | December | 328mm 12.9ins |
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