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
Raposeira registers an average high-temperature of a still agreeable 21.9°C (71.4°F) with the arrival of September, showing minor deviation from the preceding month. September witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 20.2°C (68.4°F).Humidity
In Raposeira, Portugal, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 4 days. Throughout September, 11mm (0.43") of precipitation is accumulated. Throughout the year, there are 90.3 rainfall days, and 308mm (12.13") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 07:06 and sunset at 20:04. On the last day of the month, sunrise is at 07:30 and sunset at 19:20 WEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
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 is the sunrise / sunset in September?
How many hours of sunshine does Raposeira have in September?
What is the month with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Raposeira, Portugal
- Average high temperature in September: 21.9°C
The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is February (14.9°C).
- Average low temperature in September: 20.2°C
The month with the highest average low temperature is August (20.3°C).
The coldest month (with the lowest average low temperature) is February (13.3°C).
Average pressure in September
Raposeira, Portugal
- Average pressure in September: 1016.9mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Raposeira, Portugal
- Average wind speed in September: 18.5km/h
The windiest month (with the highest average wind speed) is July (25.2km/h).
The calmest month (with the lowest average wind speed) is September (18.5km/h).
Average humidity in September
Raposeira, Portugal
- Average humidity in September: 77%
The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are January, February, November and December (73%).
Average rainfall in September
Raposeira, Portugal
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Raposeira, Portugal
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is November (12.7 days).
The month with the least rainy days is August (1.4 days).
Average daylight in September /
Average sunshine in September
Raposeira, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Raposeira, Portugal
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in September
Raposeira, Portugal
- Average UV index in September: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Raposeira, Portugal
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Raposeira, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
