September weather forecast
Praia do Forte, Brazil

September

Weather in September

September marks the resurgence of warmer and drier climate conditions in Praia do Forte. A drop in rainfall to 86mm (3.39") characterizes this shift, signaling the closure of the wet season. While the temperature and daylight hours maintain a stable pattern, the extended sunshine hours foster a vibrant aura in the city. Outdoor activities kick into high gear, complimented by enjoyable sea conditions hovering around the 26°C (78.8°F) mark. As the city readies itself to embrace October, expectations of increased temperature and daylight hours heighten.

Temperature

The advent of September denotes an average high-temperature of a still warm 28°C (82.4°F), subtly different from August's 27°C (80.6°F). During September, the temperature tends to dip to an average of 20°C (68°F) at night.

Rainfall

In Praia do Forte, during September, the rain falls for 18 days and regularly aggregates up to 86mm (3.39") of precipitation. Throughout the year, there are 230 rainfall days, and 1706mm (67.17") of precipitation is accumulated.

Sea temperature

July through October, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Praia do Forte.
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In September, the average length of the day is 12h and 2min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:28. On the last day of September, sunrise is at 05:15 and sunset at 17:28 -03.

Sunshine

In Praia do Forte, the average sunshine in September is 6h.

UV index

The months with the highest UV index are January through March, September through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, an average UV index of 12 transforms into the following instructions:
Adopt all essential precautions. Preventing sun harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Prompt application of a broad-spectrum sunscreen, SPF 30+, is necessary after a swim or an outdoor workout and it should be re-applied every two hours. Notice! The reflection of water and sand increases the UV radiation significantly.

Frequently asked questions

How hot is September?
The average high-temperature and low-temperature during September are 28°C (82.4°F) and 20°C (68°F) respectively.
How much does it rain in September?
In September, the rain falls for 18 days. Throughout September, 86mm (3.39") of precipitation is accumulated.
When is the sea coldest in Praia do Forte?
July through October, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
How warm is the water in September?
In September, the average sea temperature is 26°C (78.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
What is the average length of the day in September?
In Praia do Forte, the average day length in September is 12h and 2min.
When are sunrise and sunset in September?
On the first day of September in Praia do Forte, sunrise is at 05:35 and sunset at 17:28. On the last day of the month, sunrise is at 05:15 and sunset at 17:28 -03.
How long on average sun shines in September?
In September, the average sunshine duration is 6h.
What is the month with the highest UV index?
The months with the highest UV index are January through March, September through December, with an average maximum UV index of 12.
What is the UV index intensity in September?
In September, the average daily maximum UV index is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index
Average temperature in September - Praia do Forte, Brazil
Average temperature in September
Praia do Forte, Brazil
  • Average high temperature in September: 28°C

The warmest months (with the highest average high temperature) are January, February, March and December (31°C).
The months with the lowest average high temperature are June, July and August (27°C).

  • Average low temperature in September: 20°C

The month with the highest average low temperature is March (23°C).
The coldest month (with the lowest average low temperature) is August (19°C).

Average rainfall in September - Praia do Forte, Brazil
Average rainfall in September
Praia do Forte, Brazil
  • Average rainfall in September: 86mm

The wettest month (with the highest rainfall) is May (287mm).
The driest month (with the least rainfall) is January (70mm).

Average rainfall days in September - Praia do Forte, Brazil
Average rainfall days in September
Praia do Forte, Brazil
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is July (25 days).
The month with the least rainy days is October (14 days).

Average sea temperature in September - Praia do Forte, Brazil
Average sea temperature in September
Praia do Forte, Brazil
  • Average sea temperature in September: 26°C

The best months for swimming (with the highest average sea temperature) are January, February, March, April and May (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).

Average daylight in September / Average sunshine in September - Praia do Forte, Brazil
Average daylight in September /
Average sunshine in September
Praia do Forte, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).

  • Average sunshine in September: 6h

The months with the most sunshine are January, February, March, October and December (Average sunshine: 7h).
The months with the least sunshine are June and July (Average sunshine: 5h).

Average UV index in September - Praia do Forte, Brazil
Average UV index in September
Praia do Forte, 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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