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
In September, M. Vilela notes an average high-temperature of a still warm 25.5°C (77.9°F), hardly different from the preceding month. September introduces a small decrease to a nighttime average of 24.6°C (76.3°F) in M. Vilela.Humidity
August through October, with an average relative humidity of 83%, are the most humid months in M. Vilela.Rainfall
In M. Vilela, during September, the rain falls for 15.8 days and regularly aggregates up to 35mm (1.38") of precipitation. In M. Vilela, during the entire year, the rain falls for 241.7 days and collects up to 1287mm (50.67") of precipitation.Daylight
The average length of the day in September in M. Vilela, São Tomé and Príncipe, is 12h and 7min.On the first day of September in M. Vilela, sunrise is at 05:30 and sunset at 17:37. On the last day of the month, sunrise is at 05:20 and sunset at 17:26 GMT.
Sunshine
In September, the average sunshine in M. Vilela is 5.4h.UV index
In M. Vilela, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Fend off overexposure. Sun protection is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in M. Vilela?
What are the most humid months in M. Vilela?
What is the average humidity in September in M. Vilela?
How much does it rain in M. Vilela in September?
How many hours of daylight does M. Vilela have in September?
What time are sunrise and sunset in September in M. Vilela?
How long on average sun shines in September in M. Vilela?
How high is the UV index in September in M. Vilela?
Average temperature in September
M. Vilela, São Tomé and Príncipe
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in September: 24.6°C
The month with the highest average low temperature is March (27.5°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure in September
M. Vilela, São Tomé and Príncipe
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed in September
M. Vilela, São Tomé and Príncipe
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is July (17.7km/h).
The calmest month (with the lowest average wind speed) is December (10.8km/h).
Average humidity in September
M. Vilela, São Tomé and Príncipe
- Average humidity in September: 83%
The months with the highest relative humidity are August, September and October (83%).
The month with the lowest relative humidity is March (76%).
Average rainfall in September
M. Vilela, São Tomé and Príncipe
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (224mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
M. Vilela, São Tomé and Príncipe
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is June (7.3 days).
Average daylight in September /
Average sunshine in September
M. Vilela, São Tomé and Príncipe
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are January and November (Average daylight: 12h and 6min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).
Average sunshine days in September
M. Vilela, São Tomé and Príncipe
- Average sunshine days in September: 5.3 days
The month with the most sunshine days is June (16.4 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in September
M. Vilela, São Tomé and Príncipe
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
M. Vilela, São Tomé and Príncipe
- Average cloud cover in September: 62
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is February (Cloud cover 37).
Average visibility in September
M. Vilela, São Tomé and Príncipe
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
M. Vilela, São Tomé and Príncipe
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