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
The onset of September brings an average high-temperature of a still warm 25°C (77°F), nearly matching the August temperature. Gávea's average low-temperature in the month of September is recorded at an enjoyable 19.4°C (66.9°F).Humidity
In Gávea, the average relative humidity in September is 78%.Rainfall
In Gávea, Brazil, during September, the rain falls for 13.7 days and regularly aggregates up to 47mm (1.85") of precipitation. In Gávea, during the entire year, the rain falls for 192.5 days and collects up to 812mm (31.97") of precipitation.Daylight
The average length of the day in September is 11h and 58min.On the first day of September in Gávea, sunrise is at 06:02 and sunset at 17:42. On the last day of the month, sunrise is at 05:33 and sunset at 17:51 -03.
Sunshine
In Gávea, the average sunshine in September is 7.9h.UV index
The month with the lowest UV index is September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Gávea?
What is the average humidity in September in Gávea?
How many days does it rain in September in Gávea?
What is the average length of the day in September in Gávea?
When are sunrise and sunset in September in Gávea?
How many hours of sunshine does Gávea have in September?
When is the lowest UV index in Gávea?
What is the UV index reading in September in Gávea?
Average temperature in September
Gávea, Brazil
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is January (23.7°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in September
Gávea, Brazil
- Average pressure in September: 1017.8mbar
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
Gávea, Brazil
- Average wind speed in September: 11.3km/h
The windiest months (with the highest average wind speed) are August and September (11.3km/h).
The calmest month (with the lowest average wind speed) is March (8.7km/h).
Average humidity in September
Gávea, Brazil
- Average humidity in September: 78%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Gávea, Brazil
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in September
Gávea, Brazil
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is March (22.7 days).
The month with the least rainy days is July (9.3 days).
Average daylight in September /
Average sunshine in September
Gávea, 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 5min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in September
Gávea, Brazil
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in September
Gávea, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 7).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in September
Gávea, 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
Gávea, Brazil
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August and September (10km).
The months with the lowest visibility are January, March, April, October, November and December (9km).
