Santa Catarina Weather in September
What's the weather like in Santa Catarina (Morelos) in September 2025?
The climate in Santa Catarina during September can be summarized as warm, humid and wet.
September is in the fall / autumn in Santa Catarina and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 15°C (58°F) is normal.
| Daytime temperature | 28.3°C 82.9°F |
|---|---|
| Nightly temperature | 14.5°C 58.1°F |
| Average temperature | 21.4°C 70.5°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 196 mm 7.7 ins |
| Rainy days | 17 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 78% |
| Windspeed | 6.5kph 4 mph |
On average September is the 2nd wettest month of the year in Santa Catarina with around 196mm 7.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Santa Catarina
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 Santa Catarina in September 2025.
Other monthly averages
Best places to visit in September
Santa Catarina weather stats
| Hottest month: | April | 32°C 89.6°F |
|---|---|---|
| Driest month: | February | 3mm 0.1ins |
| Sunniest month: | February | 7.5hrs |
| Coldest month: | January | 27.6°C 81.7°F |
| Wettest month: | June | 208mm 8.2ins |
© Google
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