September weather forecastCabeção, Portugal
September
Weather in September
The first month of the autumn, September, is still a tropical month in Cabeção, Portugal, with an average temperature ranging between min 15.8°C (60.4°F) and max 30°C (86°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a hot 33.7°C (92.7°F) to a still tropical 30°C (86°F). Nighttime temperatures throughout September register a significant deviation from the day's highs, averaging at a refreshing 15.8°C (60.4°F).Heat index
The heat index for September is computed to be a hot 32°C (89.6°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
In Cabeção, the average relative humidity in September is 57%.Rainfall
In Cabeção, in September, during 4.6 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, in Cabeção, there are 107.1 rainfall days, and 346mm (13.62") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:01 and sunset at 20:02. On the last day of September, sunrise is at 07:27 and sunset at 19:16 WEST.
Sunshine
In September, the average sunshine in Cabeção is 9.3h.UV index
The average daily maximum UV index in September in Cabeção is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cabeção, Portugal
- Average high temperature in September: 30°C
The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in September: 15.8°C
The months with the highest average low temperature are July and August (16.1°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in September
Cabeção, Portugal
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Cabeção, Portugal
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is March (11.5km/h).
The calmest month (with the lowest average wind speed) is September (9.3km/h).
Average humidity in September
Cabeção, Portugal
- Average humidity in September: 57%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Cabeção, Portugal
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is April (53mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Cabeção, Portugal
- Average rainfall days in September: 4.6 days
The months with the highest number of rainy days are March and April (14.9 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Cabeção, Portugal
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Cabeção, Portugal
- Average sunshine days in September: 24 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in September
Cabeção, Portugal
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Cabeção, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Cabeção, Portugal
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and April (8km).
