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
Sete Rios records an average high-temperature of a still moderately hot 25.8°C (78.4°F) in September, closely mirroring the climate of the previous month. During September, Sete Rios consistently records a temperature low averaging an enjoyable 17.3°C (63.1°F).Humidity
August and September, with an average relative humidity of 68%, are the least humid months.Rainfall
In Sete Rios, during September, the rain falls for 5.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Sete Rios, during the entire year, the rain falls for 112 days and collects up to 360mm (14.17") of precipitation.Daylight
In Sete Rios, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:06 and sunset at 20:06. On the last day of September, sunrise is at 07:32 and sunset at 19:20 WEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sete Rios in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Sete Rios have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Sete Rios have in September?
When is the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Sete Rios, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (9.4°C).
Average pressure in September
Sete Rios, Portugal
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Sete Rios, Portugal
- Average wind speed in September: 12.9km/h
The windiest months (with the highest average wind speed) are February and July (15.9km/h).
The calmest months (with the lowest average wind speed) are September and October (12.9km/h).
Average humidity in September
Sete Rios, Portugal
- Average humidity in September: 68%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Sete Rios, Portugal
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (61mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Sete Rios, Portugal
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (2.3 days).
Average daylight in September /
Average sunshine in September
Sete Rios, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Sete Rios, Portugal
- Average sunshine days in September: 23 days
The month with the most sunshine days is August (26.4 days).
The months with the least sunshine days are April and November (14.5 days).
Average UV index in September
Sete Rios, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Sete Rios, Portugal
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Sete Rios, 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).
