Brazil - Southeast coast weather in September 2025
Brazil - Southeast coast weather in September 2025
Day
24 °C
Night
17 °C
Sea
21 °C
Precipitation
98 mm
in month
Rainy days
12 days
in month
Daylight
12 hours
average
Sunshine
4 hours
average
Humidity
81 %
Day
24 °C
Night
17 °C
Sea
21 °C
Precipitation
98 mm
in month
Rainy days
12 days
in month
Daylight
12 hours
average
Sunshine
4 hours
average
Humidity
81 %
Overview: Brazil - Southeast coast
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Weather overview and FAQs
Weather overview
In September in Brazil - Southeast coast, the average air temperature ranges from 24 °C (76 °F) during the day to 17 °C (62 °F) at night. There are 12 days of rain on average, where the rainfall is 98 mm (3.87 in).
Is September a good month to visit Brazil - Southeast coast?
There are good conditions for visiting in September in Brazil - Southeast coast. The daily temperatures in this month reach pleasant 24 °C (76 °F). A sea temperature of 21 °C (70 °F) can seem colder to some, but others will call it refreshing. The temperature of 17 °C (62 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the sea temperature in September in Brazil - Southeast coast?
The temperature of the sea in Brazil - Southeast coast in September is 21 °C (70 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days.
What is the temperature in Brazil - Southeast coast during the day in September?
In Brazil - Southeast coast in September, the average daily temperatures will be 24 °C (76 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
How many rainy days can I expect in Brazil - Southeast coast in September?
There are 12 days, which are rainy in September in Brazil - Southeast coast, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.9 days of the week, or in general - 41 % days.
What is the night temperature in Brazil - Southeast coast in September?
The average night temperature in Brazil - Southeast coast in September is 17 °C (62 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
What is the rainfall intensity in September in Brazil - Southeast coast?
There is precipitation of 98 mm (3.87 in) in Brazil - Southeast coast in September, which means 3 mm (0.13 in) rainfall per day on average.
How many hours of sun to expect in September in Brazil - Southeast coast?
In Brazil - Southeast coast in September, you can expect around 4 hours of sunshine.
What is the humidity in Brazil - Southeast coast in September?
Humidity in Brazil - Southeast coast in September is 81 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is Brazil - Southeast coast rainier in September than in August?
Yes, Brazil - Southeast coast is a rainier September than in August.
Is the sea in Brazil - Southeast coast warmer in September than in August?
No, the sea is not warmer in Brazil - Southeast coast in September than in August.
How long is the day (from dawn till dusk) in Brazil - Southeast coast in September?
The length of daylight in Brazil - Southeast coast in September is 12 hours.
How windy is it in Brazil - Southeast coast in September?
An average wind scale that can be expected in Brazil - Southeast coast in September is 3.
Is the weather in Brazil - Southeast coast warmer in September than in August?
Yes, September in Brazil - Southeast coast is warmer than August by 1 °C (33 °F).
What is the temperature trend in September in Brazil - Southeast coast?
Over the course of September in Brazil - Southeast coast, the temperatures are rising from 24 °C (75 °F) at the beginning of the month to 25 °C (77 °F) at the end of the month.
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