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 sea temperature 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
Ferreiras experiences a transition to a still moderately hot 25.4°C (77.7°F) in average high-temperatures with the arrival of September, not greatly differing from August's 28°C (82.4°F). In September, in Ferreiras, Portugal, the average low-temperature is a comfortable 18.8°C (65.8°F).Humidity
In Ferreiras, the average relative humidity in September is 67%.Rainfall
In September, the rain falls for 2.7 days. Throughout September, 2mm (0.08") of precipitation is accumulated. In Ferreiras, during the entire year, the rain falls for 45.7 days and collects up to 62mm (2.44") of precipitation.Sea temperature
August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater.Note: Swimming is not an enjoyable activity for the majority when the water is at 21°C (69.8°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Ferreiras, the average length of the day in September is 12h and 25min.On the first day of September in Ferreiras, sunrise is at 07:04 and sunset at 20:01. On the last day of the month, sunrise is at 07:27 and sunset at 19:17 WEST.
Sunshine
In Ferreiras, the average sunshine in September is 9.6h.UV index
The months with the highest UV index in Ferreiras, Portugal, are May through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are September temperatures in Ferreiras?
What is the average humidity in September in Ferreiras?
How much does it rain in Ferreiras in September?
When is the sea warmest in Ferreiras?
How cold is the water in September in Ferreiras?
How many hours of daylight does Ferreiras have in September?
When is the sunrise / sunset in September in Ferreiras?
How many hours of sunshine does Ferreiras have in September?
What are the months with the highest UV index in Ferreiras?
What is the UV index intensity in September in Ferreiras?
Average temperature in September
Ferreiras, Portugal
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.2°C).
Average pressure in September
Ferreiras, Portugal
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Ferreiras, Portugal
- Average wind speed in September: 12.1km/h
The windiest months (with the highest average wind speed) are February and March (17.5km/h).
The calmest month (with the lowest average wind speed) is September (12.1km/h).
Average humidity in September
Ferreiras, Portugal
- Average humidity in September: 67%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Ferreiras, Portugal
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is November (13mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Ferreiras, Portugal
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is April (7.5 days).
The month with the least rainy days is August (0.5 days).
Average sea temperature in September
Ferreiras, Portugal
- Average sea temperature in September: 21°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in September /
Average sunshine in September
Ferreiras, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Ferreiras, Portugal
- Average sunshine days in September: 25.9 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is April (20 days).
Average UV index in September
Ferreiras, Portugal
- Average UV index in September: 6
The months with the highest UV index are May, June, 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
Ferreiras, Portugal
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Ferreiras, 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).
Ferreiras, Portugal
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