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 snowfall in September
- Average snowfall 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
Weather in September
Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 29.6°C (85.3°F) to a still moderately hot 26.5°C (79.7°F). A sharp reduction from the daytime highs is witnessed in Pêra Velha during September, with nighttime temperatures averaging a low of 12.5°C (54.5°F).Humidity
In Pêra Velha, the average relative humidity in September is 60%.Rainfall
In Pêra Velha, in September, it is raining for 6.2 days, with typically 21mm (0.83") of accumulated precipitation. In Pêra Velha, during the entire year, the rain falls for 125.4 days and collects up to 553mm (21.77") of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:57 and sunset at 20:02. On the last day of September, sunrise is at 07:26 and sunset at 19:14 WEST.
Sunshine
In September, the average sunshine in Pêra Velha, Portugal, is 9.3h.UV index
The average daily maximum UV index in September in Pêra Velha is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the usual temperature for Pêra Velha in September?
What is the average humidity in September in Pêra Velha?
How many days does it rain in September in Pêra Velha?
When it does not snow in Pêra Velha?
What is the average length of the day in September in Pêra Velha?
When is the sunrise / sunset in September in Pêra Velha?
How long on average sun shines in September in Pêra Velha?
How high is the UV index in September in Pêra Velha?
Average temperature in September
Pêra Velha, Portugal
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Pêra Velha, Portugal
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Pêra Velha, Portugal
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).
Average humidity in September
Pêra Velha, Portugal
- Average humidity in September: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Pêra Velha, Portugal
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Pêra Velha, Portugal
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Pêra Velha, Portugal
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Pêra Velha, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Pêra Velha, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Pêra Velha, Portugal
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Pêra Velha, Portugal
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Pêra Velha, Portugal
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in September
Pêra Velha, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
Pêra Velha, Portugal
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