BrazilAverage weather for Ilhabela in September
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.
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. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
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.
Since it cools down at night, it’s a good idea to wear layers.
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.
Water temperature
The water temperature at Ilhabela is 23°C this month. Comfortable for a swim.
In September, there is an average of 155 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Ilhabela in September |
New York | ||
|---|---|---|---|
 Average temperature |
26°C | 27°C | |
 Max. temperature |
31°C | 31°C | |
| Min. temperature |
23°C | -5°C | |
 Total precipitation |
155 mm | 57 mm | |
| Rainy days |
14 days | 9 days | |
August
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.
Is September a good time to visit Ilhabela?
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.
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.
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.
Daily Temperature in September in Ilhabela
This chart shows the average daily high and low temperatures in September for Ilhabela, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Ilhabela
The chart below shows the average daily precipitation in September for Ilhabela, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 14 days of precipitation in Ilhabela.
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.
Temperature in September in Ilhabela over the years
This chart shows the average temperature in September in Ilhabela, measured in degrees Celsius, over the past few years.
Total precipitation in September in Ilhabela over the years
This chart shows the average precipitation in September in Ilhabela, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in September in Ilhabela
Have you been to Ilhabela in September?
Share your weather experience in September in Ilhabela.
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.
