Weather in September
September signals the onset of spring in Duque de Caxias. It marks a change in beach activities as sea temperatures start recording lower averages of 21.6°C (70.9°F), coming down from the higher 22.3°C (72.1°F) observed in August. Beachgoers begin equipping themselves for slightly cooler waters. The daylight hours increase to 12 from 11.4 in August. With pleasant temperatures and lengthening daylight, the residents and tourists look forward to the changing color palette of the natural landscape.
Note: In water of 21.6°C (70.9°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
On the first day of the month, sunrise is at 06:02 and sunset at 17:43. On the last day of September, sunrise is at 05:34 and sunset at 17:51 -03.
Sea temperature
The month with the coldest seawater in Duque de Caxias is September, with an average sea temperature of 21.6°C (70.9°F).Note: In water of 21.6°C (70.9°F), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Duque de Caxias is 11h and 58min.On the first day of the month, sunrise is at 06:02 and sunset at 17:43. On the last day of September, sunrise is at 05:34 and sunset at 17:51 -03.
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the month with the coldest sea water in Duque de Caxias?
The month with the coldest seawater is September, with an average sea temperature of 21.6°C (70.9°F).
How cold is the water in September in Duque de Caxias?
In Duque de Caxias, the average seawater temperature in September is 21.6°C (70.9°F). For swimming, a surface water temperature of 21.6°C (70.9°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).
What is the average length of the day in September in Duque de Caxias?
The average day length in September is 11h and 58min.
When is the sunrise / sunset in September in Duque de Caxias?
In September, on the first day of the month, sunrise is at 06:02 and sunset at 17:43. On the last day of the month, in Duque de Caxias, sunrise is at 05:34 and sunset at 17:51 -03.
Average sea temperature in September
Duque de Caxias, Brazil
- Average sea temperature in September: 21.6°C
The best month for swimming (with the highest average sea temperature) is March (25.8°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in September
Duque de Caxias, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
Duque de Caxias, Brazil
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