September weather forecast
Recife, Brazil

September in Recife marks the arrival of spring-like weather. The thereby increased daylight hours up to 12.1 per day make the city brighter. September brings good news for those wary of the rains, with rainfall dwindling noticeably down to 122mm (4.8"), signaling drier days ahead. After three consistent months, the UV index jumps back up to 12. However, the sea temperature maintains the coolness, offering refreshing dips during the hotter parts of the day.

Temperature

Recife commences September with an average high-temperature of a still moderately hot 28.1°C (82.6°F), maintaining a close resemblance to the previous month. During September, an average low-temperature of 20.7°C (69.3°F) is observed in Recife.

Heat index

For most parts of September, the heat index is estimated at a hot 32°C (89.6°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. 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 'apparent temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Recife, during September, the rain falls for 13 days and regularly aggregates up to 122mm (4.8") of precipitation. In Recife, Brazil, during the entire year, the rain falls for 171 days and collects up to 2418mm (95.2") of precipitation.

Sea temperature

August and September, with an average sea temperature of 26.4°C (79.5°F), are months with the coldest seawater in Recife.
Note: In any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are viewed as magnificent and exceptionally pleasant for prolonged enjoyment.

Daylight

In Recife, Brazil, the average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:20 and sunset at 17:18. On the last day of September, sunrise is at 05:04 and sunset at 17:14 -03.

Sunshine

In September, the average sunshine is 7.2h.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index in Recife. A UV Index reading of 11, and higher, represents an extreme health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 12 during September translates into the following guidance:
Take all critical precautions, unprotected skin might burn swiftly. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. One must apply and reapply generously an SPF 30+ broad-spectrum sunscreen every two hours or after an outdoor workout or swim. Warning! Sand and water reflections boost the intensity of UV exposure.