September weather forecastCouço, Portugal
September
Weather in September
September, the first month of the autumn in Couço, is still a hot month, with an average temperature varying between 15.8°C (60.4°F) and 30°C (86°F).Temperature
As September arrives, Couço's weather displays a minor decrease in high-temperatures, transitioning from August's 33.7°C (92.7°F) to a still hot 30°C (86°F). Couço sees a large disparity in day to night temperatures in September, with the night temperature dropping to an average of 15.8°C (60.4°F).Heat index
September's mean heat index is calculated to be a hot 32°C (89.6°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In September, the average relative humidity in Couço is 57%.Rainfall
In Couço, Portugal, in September, it is raining for 4.6 days, with typically 11mm (0.43") of accumulated precipitation. In Couço, during the entire year, the rain falls for 107.1 days and collects up to 346mm (13.62") of precipitation.Daylight
The average length of the day in September in Couço is 12h and 26min.On the first day of September, sunrise is at 07:02 and sunset at 20:03. On the last day of the month, sunrise is at 07:28 and sunset at 19:17 WEST.
Sunshine
The average sunshine in September in Couço is 9.3h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. 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. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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
Couço, 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).
