Santos
Brazil
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Santos, Brazil

The first month of the spring, September, is still a pleasant month in Santos, Brazil, with average temperature varying between 22.4°C (72.3°F) and 17.2°C (63°F).

Temperature

With an average high-temperature of 22.4°C (72.3°F) and an average low-temperature of 17.2°C (63°F), September is the coldest month.

Humidity

In Santos, the average relative humidity in September is 82%.

Rainfall

In Santos, it is raining for 11 days, with typically 130.2mm (5.1") of accumulated precipitation. In Santos, during the entire year, the rain falls for 132 days and collects up to 1990.5mm (78.4") of precipitation.

Sea temperature

The month with the coldest seawater is September, with an average sea temperature of 20.7°C (69.3°F).
Note: For swimming, a surface water temperature of 20.7°C (69.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Santos, the average length of the day is 12h.

Sunshine

The month with the least sunshine in Santos is September, with an average of 2.9h of sunshine.

What is the coldest month in Santos?

September is the coldest month in Santos, with an average high-temperature of 22.4°C (72.3°F) and an average low-temperature of 17.2°C (63°F).

What is the temperature in September in Santos?

The average high-temperature, in September, in Santos, Brazil, is 22.4°C (72.3°F), while the average low-temperature is 17.2°C (63°F).

What is the average humidity in September in Santos?

The average relative humidity in September in Santos, Brazil, is 82%.

How much does it rain in Santos in September?

In Santos, in September, during 11 rainfall days, 130.2mm (5.1") of precipitation is typically accumulated.

When is the sea coldest in Santos?

With an average sea temperature of 20.7°C (69.3°F), September is the month with the coldest seawater.

What is the sea water temperature in September in Santos?

In September, the average sea temperature in Santos, Brazil, is 20.7°C (69.3°F). For most, swimming in 20.7°C (69.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Santos have in September?

The average length of the day in September in Santos is 12h.

What is the month with the least sunshine in Santos?

The month with the least sunshine is September, with an average of 2.9h of sunshine.

How long on average sun shines in September in Santos?

In September, the average sunshine is 2.9h.
Average temperature in September - Santos, Brazil
  • Average high temperature in September: 22.4°C

The warmest month (with the highest average high temperature) is February (28.9°C).
The month with the lowest average high temperature is September (22.4°C).

  • Average low temperature in September: 17.2°C

The month with the highest average low temperature is February (22.4°C).
The coldest month (with the lowest average low temperature) is July (15.5°C).

Average humidity in September - Santos, Brazil
  • Average humidity in September: 82%

Months with the highest relative humidity are March and April (83%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September - Santos, Brazil
  • Average rainfall in September: 130.2mm

The wettest month (with the highest rainfall) is January (255.9mm).
The driest month (with the lowest rainfall) is August (78.4mm).

Average rainfall days in September - Santos, Brazil
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is December (14 days).
Months with the lowest number of rainy days are June, July and August (8 days).

Average sea temperature in September - Santos, Brazil
  • Average sea temperature in September: 20.7°C

The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).

Average daylight in September / Average sunshine in September - Santos, Brazil
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.6h).
The month with shortest days is June (Average daylight: 10.7h).

  • Average sunshine in September: 2.9h

The month with most sunshine is February (Average sunshine: 5.3h).
The month with least sunshine is September (Average sunshine: 2.9h).