BrazilThe weather in September in Ilhabela
It's warm in September in Ilhabela with an average temperature of 26°C. Temperatures this month range from a low of 23°C to a high of 31°C. At night, you can expect temperatures between 12°C and 19°C.
Looking for sun? September isn’t a good month to be in Ilhabela. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Ilhabela, Brazil. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2020, Ilhabela reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 17°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 24°C.
Water temperature
The water temperature at Ilhabela is 23°C this month. Comfortable for a swim.
Rainfall amount
In September, there is an average of 155 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Ilhabela
Click on any day in September to get detailed info about the usual weather on that day in Ilhabela. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Ilhabela | New York | |
|---|---|---|
| Average temperature | 26°C | 27°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 155 mm | 57 mm |
| Rainy days | 17 days | 9 days |
Start of September
The month of September starts in Ilhabela with warm temps, averaging around 26°C during the day and nights around 15°C.
Mid September
By mid-September, daytime temps rise to around 28°C, with nights around 17°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Ilhabela is around 25°C, while nighttime temps are about 15°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Ilhabela for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Temperature charts
These charts show the average temperatures in September in Ilhabela, Brazil. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Ilhabela
Temperature in September in Ilhabela over the years
Precipitation charts
These charts show the average amount of precipitation in September in Ilhabela, Brazil. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Ilhabela
Total precipitation in September in Ilhabela over the years
Daily UV index in September in Ilhabela
This chart shows the average daily UV index in September in Ilhabela, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Ilhabela
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Average weather in Ilhabela by month
Click on a month below to see detailed weather info for Ilhabela. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.