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
Weather in September
Temperature
September's advent in São Gonçalo presents an average high-temperature of a still warm 24.9°C (76.8°F), indicating a slight variation from the conditions of the previous month. São Gonçalo observes an average nighttime low-temperature of 19.2°C (66.6°F) during the month of September.Humidity
In São Gonçalo, the average relative humidity in September is 78%.Rainfall
In São Gonçalo, Brazil, in September, it is raining for 14.3 days, with typically 51mm (2.01") of accumulated precipitation. In São Gonçalo, during the entire year, the rain falls for 179.5 days and collects up to 747mm (29.41") of precipitation.Daylight
In September, the average length of the day in São Gonçalo, Brazil, is 11h and 58min.On the first day of September in São Gonçalo, sunrise is at 06:01 and sunset at 17:42. On the last day of the month, sunrise is at 05:33 and sunset at 17:51 -03.
Sunshine
The average sunshine in September is 8h.UV index
July and September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for São Gonçalo in September?
What is the average humidity in September in São Gonçalo?
How much does it rain in São Gonçalo in September?
How many hours of daylight does São Gonçalo have in September?
When is the sunrise / sunset in September in São Gonçalo?
How many hours of sunshine does São Gonçalo have in September?
What is the month with the lowest UV index in São Gonçalo?
How high is the UV index in September in São Gonçalo?
Average temperature in September
São Gonçalo, Brazil
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (23.8°C).
- Average low temperature in September: 19.2°C
The months with the highest average low temperature are January and February (23.2°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).
Average pressure in September
São Gonçalo, Brazil
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in September
São Gonçalo, Brazil
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is September (11km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).
Average humidity in September
São Gonçalo, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are March, November and December (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
São Gonçalo, Brazil
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is November (135mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in September
São Gonçalo, Brazil
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is November (22.5 days).
The month with the least rainy days is July (8.9 days).
Average daylight in September /
Average sunshine in September
São Gonçalo, 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).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is October (Average sunshine: 7h and 36min).
Average sunshine days in September
São Gonçalo, Brazil
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is July (20.2 days).
The month with the least sunshine days is November (5.5 days).
Average UV index in September
São Gonçalo, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are July and September (UV index 5).
Average cloud cover in September
São Gonçalo, Brazil
- Average cloud cover in September: 34
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 28).
Average visibility in September
São Gonçalo, Brazil
- Average visibility in September: 9km
The months with the highest visibility are February, May, June, July and August (10km).
The months with the lowest visibility are January, March, April, September, October, November and December (9km).
São Gonçalo, Brazil
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