September weather forecastPico, Portugal
September weather for Pico, Portugal: August and September, with an average sea temperature of 23°C (73.4°F), are months with the warmest seawater in Pico. September, the first month of the autumn in Pico, is also a moderately hot month, with an average temperature fluctuating between 25.8°C (78.4°F) and 13.5°C (56.3°F).
September
Weather in September
September, the first month of the autumn in Pico, is also a moderately hot month, with an average temperature fluctuating between 25.8°C (78.4°F) and 13.5°C (56.3°F).Temperature
September denotes a minimal variation in the average high-temperature to a still moderately hot 25.8°C (78.4°F) from August's 27.6°C (81.7°F). The average low-temperature reading in September for Pico reflects a significant fall from the daytime highs, stabilizing at a refreshing 13.5°C (56.3°F).Humidity
In September, the average relative humidity in Pico is 66%.Rainfall
In Pico, Portugal, in September, it is raining for 8 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 150.5 rainfall days, and 1002mm (39.45") of precipitation is accumulated.Sea temperature
August and September, with an average sea temperature of 23°C (73.4°F), are months with the warmest seawater.Note: When thinking about a swim in 23°C (73.4°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
In Pico, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:00 and sunset at 20:06. On the last day of September, in Pico, sunrise is at 07:30 and sunset at 19:16 WEST.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index in Pico is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! Sand and water increase UV exposure due to their reflective properties.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pico, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in September
Pico, Portugal
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Pico, Portugal
- Average wind speed in September: 6.5km/h
The windiest months (with the highest average wind speed) are February and March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in September
Pico, Portugal
- Average humidity in September: 66%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Pico, Portugal
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is November (146mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in September
Pico, Portugal
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (5.4 days).
Average sea temperature in September
Pico, Portugal
- Average sea temperature in September: 23°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (16°C).
Average daylight in September /
Average sunshine in September
Pico, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Pico, Portugal
- Average sunshine days in September: 20.4 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in September
Pico, 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, March, April, November and December (UV index 3).
Average cloud cover in September
Pico, Portugal
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Pico, Portugal
- Average visibility in September: 9km
The month with the highest visibility is September (9km).
The month with the lowest visibility is January (7km).





