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's beginning signals an average high-temperature of a still warm 25.3°C (77.5°F), barely different from August's 26.6°C (79.9°F). During September, Aldeia Nova consistently records a temperature low averaging a mild 15°C (59°F).Humidity
September is the least humid month, with an average relative humidity of 65%.Rainfall
In Aldeia Nova, during September, the rain falls for 6.8 days and regularly aggregates up to 33mm (1.3") of precipitation. In Aldeia Nova, during the entire year, the rain falls for 126.3 days and collects up to 777mm (30.59") of precipitation.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:01 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In September, the average sunshine is 9h.UV index
In Aldeia Nova, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Aldeia Nova, Portugal
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in September: 15°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in September
Aldeia Nova, Portugal
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Aldeia Nova, Portugal
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).
Average humidity in September
Aldeia Nova, Portugal
- Average humidity in September: 65%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Aldeia Nova, Portugal
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Aldeia Nova, Portugal
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in September /
Average sunshine in September
Aldeia Nova, Portugal
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Aldeia Nova, Portugal
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Aldeia Nova, Portugal
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Aldeia Nova, Portugal
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Aldeia Nova, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
