Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September registers an average high-temperature of a still warm 25.2°C (77.4°F), slightly varied from August's 24.6°C (76.3°F). Throughout September, the average low-temperature records at a refreshing 19.1°C (66.4°F).Humidity
The average relative humidity in September in Sepetiba is 79%.Rainfall
In Sepetiba, during September, the rain falls for 14 days and regularly aggregates up to 50mm (1.97") of precipitation. In Sepetiba, during the entire year, the rain falls for 194 days and collects up to 879mm (34.61") of precipitation.Daylight
In Sepetiba, the average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:04 and sunset at 17:44. On the last day of the month, sunrise is at 05:35 and sunset at 17:53 -03.
Sunshine
The average sunshine in September is 7.4h.UV index
With an average maximum UV index of 5, September is the month with the lowest UV index in Sepetiba. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sepetiba?
What is the average humidity in September in Sepetiba?
How much does it rain in Sepetiba in September?
What is the average length of the day in September in Sepetiba?
When is the sunrise / sunset in September in Sepetiba?
How long on average sun shines in September in Sepetiba?
When is the lowest UV index in Sepetiba?
How high is the UV index in September in Sepetiba?
Average temperature in September
Sepetiba, Brazil
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24.2°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is January (23.3°C).
The coldest month (with the lowest average low temperature) is August (17.9°C).
Average pressure in September
Sepetiba, Brazil
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in September
Sepetiba, Brazil
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).
Average humidity in September
Sepetiba, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Sepetiba, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is November (123mm).
The driest month (with the least rainfall) is June (33mm).
Average rainfall days in September
Sepetiba, Brazil
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is March (21.8 days).
The months with the least rainy days are June and July (10.3 days).
Average daylight in September /
Average sunshine in September
Sepetiba, 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 42min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Sepetiba, Brazil
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is July (19.3 days).
The month with the least sunshine days is March (6.8 days).
Average UV index in September
Sepetiba, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in September
Sepetiba, Brazil
- Average cloud cover in September: 39
The month with the most cloud cover is November (Cloud cover 50).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in September
Sepetiba, Brazil
- Average visibility in September: 9km
The months with the highest visibility are February, May, June and August (10km).
The months with the lowest visibility are January, March, April, July, September, October, November and December (9km).
