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
Weather in September
Temperature
A minimal variation is noted in Serpente's average high-temperature at the onset of September, reaching a still moderately hot 24°C (75.2°F) from August's 25.1°C (77.2°F). In Serpente, an average low-temperature of 15.7°C (60.3°F) is recorded during September nights.Humidity
September is the least humid month in Serpente, Portugal, with an average relative humidity of 68%.Rainfall
In Serpente, in September, during 7.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Serpente, during the entire year, the rain falls for 137 days and collects up to 815mm (32.09") of precipitation.Daylight
In Serpente, Portugal, the average length of the day in September is 12h and 28min.On the first day of September in Serpente, sunrise is at 07:01 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
In Serpente, Portugal, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the average September temperature in Serpente?
What is the least humid month in Serpente?
What is the average humidity in September in Serpente?
How many days does it rain in September in Serpente?
What is the average length of the day in September in Serpente?
When are sunrise and sunset in September in Serpente?
How many hours of sunshine does Serpente have in September?
How high is the UV index in September in Serpente?
Average temperature in September
Serpente, Portugal
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 15.7°C
The months with the highest average low temperature are July and August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in September
Serpente, Portugal
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Serpente, Portugal
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.6km/h).
Average humidity in September
Serpente, Portugal
- Average humidity in September: 68%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (68%).
Average rainfall in September
Serpente, Portugal
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (126mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Serpente, Portugal
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is August (4.7 days).
Average daylight in September /
Average sunshine in September
Serpente, 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 1min
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 0min).
Average sunshine days in September
Serpente, Portugal
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in September
Serpente, Portugal
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Serpente, Portugal
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Serpente, Portugal
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Serpente, Portugal
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