September weather forecast
Salvador, Brazil

Weather in September

The first month of the spring, September, is also a moderately hot month in Salvador, Brazil, with an average temperature fluctuating between 21.7°C (71.1°F) and 27.2°C (81°F).

Temperature

In Salvador, the average high-temperature in September is essentially the same as in August - a still moderately hot 27.2°C (81°F). In September, in Salvador, the average low-temperature is 21.7°C (71.1°F).

Heat index

In September, the average heat index is computed to be a hot 30°C (86°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Salvador is 79.6%.

Rainfall

The month with the least rainfall in Salvador, Brazil, is September, when the rain falls for 12 days and typically collects 102mm (4.02") of precipitation.

Sea temperature

In Salvador, the average seawater temperature in September is 25.8°C (78.4°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in September is 12h and 2min.
On the first day of September, sunrise is at 05:38 and sunset at 17:29. On the last day of the month, sunrise is at 05:17 and sunset at 17:30 -03.

Sunshine

The average sunshine in September is 7h.

UV index

The months with the highest UV index in Salvador are January through March, September through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 12 in September interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in September in Salvador?

In September, in Salvador, the average high-temperature is 27.2°C (81°F), and the average low-temperature is 21.7°C (71.1°F). in September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 30°C (86°F).

What is the average humidity in September in Salvador?

In September, the average relative humidity is 79.6%.

What is the driest month in Salvador?

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 102mm (4.02") of precipitation.

How much does it rain in Salvador in September?

In Salvador, in September, it is raining for 12 days, with typically 102mm (4.02") of accumulated precipitation.

What is the sea water temperature in September in Salvador?

In Salvador, Brazil, the average seawater temperature in September is 25.8°C (78.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Salvador?

In Salvador, Brazil, the average day length in September is 12h and 2min.

When are sunrise and sunset in September in Salvador?

In September, on the first day of the month, sunrise is at 05:38 and sunset at 17:29. On the last day of the month, in Salvador, sunrise is at 05:17 and sunset at 17:30 -03.

How many hours of sunshine does Salvador have in September?

In September, the average sunshine duration in Salvador, Brazil, is 7h.

What is the month with the highest UV index in Salvador?

January through March, September through December, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in September in Salvador?

In September, the average daily maximum UV index in Salvador, Brazil, is 12. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Salvador, Brazil

Average temperature in September - Salvador, Brazil
  • Average high temperature in September: 27.2°C

The warmest months (with the highest average high temperature) are February and March (30°C).
The month with the lowest average high temperature is July (26.2°C).

  • Average low temperature in September: 21.7°C

The month with the highest average low temperature is March (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.2°C).

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Average humidity in September
Salvador, Brazil

Average humidity in September - Salvador, Brazil
  • Average humidity in September: 79.6%

The month with the highest relative humidity is May (83.1%).
The month with the lowest relative humidity is February (79%).

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Average rainfall in September
Salvador, Brazil

Average rainfall in September - Salvador, Brazil
  • Average rainfall in September: 102mm

The wettest month (with the highest rainfall) is May (359.9mm).
The driest month (with the least rainfall) is September (102mm).

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Average rainfall days in September
Salvador, Brazil

Average rainfall days in September - Salvador, Brazil
  • Average rainfall days in September: 12 days

The months with the highest number of rainy days are May and July (20 days).
The months with the least rainy days are January, October and December (10 days).

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Average sea temperature in September
Salvador, Brazil

Average sea temperature in September - Salvador, Brazil
  • Average sea temperature in September: 25.8°C

The best month for swimming (with the highest average sea temperature) is March (28.6°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).

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Average daylight in September /
Average sunshine in September
Salvador, Brazil

Average daylight in September / Average sunshine in September - Salvador, Brazil
  • Average daylight in September: 12h and 2min

The month with the longest days is December (Average daylight: 12h and 53min).
The month with the shortest days is June (Average daylight: 11h and 23min).

  • Average sunshine in September: 7h and 0min

The month with the most sunshine is February (Average sunshine: 8h and 6min).
The months with the least sunshine are May and June (Average sunshine: 5h and 36min).

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Average UV index in September
Salvador, Brazil

Average UV index in September - Salvador, Brazil
  • Average UV index in September: 12

The months with the highest UV index are January, February, March, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 8).

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