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
During September, Samouco observes a subtle ascent to a still warm 26.5°C (79.7°F) from August's 28.5°C (83.3°F) in the average high-temperature. Throughout the month of September, Samouco reports a steady low-temperature average of 16.9°C (62.4°F).Humidity
In September, the average relative humidity is 67%.Rainfall
In Samouco, during September, the rain falls for 3.6 days and regularly aggregates up to 7mm (0.28") of precipitation. In Samouco, during the entire year, the rain falls for 78.2 days and collects up to 171mm (6.73") of precipitation.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:05 and sunset at 20:06. On the last day of September, sunrise is at 07:31 and sunset at 19:20 WEST.
Sunshine
In Samouco, the average sunshine in September is 9.4h.UV index
The months with the highest UV index in Samouco are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Samouco in September?
What is the average humidity in September in Samouco?
How much does it rain in Samouco in September?
What is the average length of the day in September in Samouco?
When are sunrise and sunset in September in Samouco?
How many hours of sunshine does Samouco have in September?
When is the highest UV index in Samouco?
What is the UV index reading in September in Samouco?
Average temperature in September
Samouco, Portugal
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 16.9°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in September
Samouco, 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 (1015.6mbar).
Average wind speed in September
Samouco, Portugal
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).
Average humidity in September
Samouco, Portugal
- Average humidity in September: 67%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Samouco, Portugal
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Samouco, Portugal
- Average rainfall days in September: 3.6 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average daylight in September /
Average sunshine in September
Samouco, 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 18min).
Average sunshine days in September
Samouco, Portugal
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Samouco, 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
Samouco, Portugal
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Samouco, 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).
