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
The shift into September records an average high-temperature of a moderately hot 28.6°C (83.5°F), subtly varied from August's 31.3°C (88.3°F). Paialvo logs a substantial downturn to a refreshing 14.7°C (58.5°F) during September nights, a considerable shift from daytime highs.Heat index
During September, the heat index is appraised at a tropical 31°C (87.8°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
The average relative humidity in September is 61%.Rainfall
In September, the rain falls for 4.8 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Paialvo, there are 94.6 rainfall days, and 345mm (13.58") of precipitation is accumulated.Daylight
In September, the average length of the day in Paialvo, Portugal, is 12h and 27min.On the first day of the month, sunrise is at 07:02 and sunset at 20:04. On the last day of September, sunrise is at 07:29 and sunset at 19:17 WEST.
Sunshine
In Paialvo, the average sunshine in September is 9.1h.UV index
In Paialvo, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
How hot does it get in Paialvo in September?
What is the average humidity in September in Paialvo?
How many days does it rain in September in Paialvo?
What is the average length of the day in September in Paialvo?
What time are sunrise and sunset in September in Paialvo?
How many hours of sunshine does Paialvo have in September?
What is the UV index reading in September in Paialvo?
Average temperature in September
Paialvo, Portugal
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in September: 14.7°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average pressure in September
Paialvo, Portugal
- Average pressure in September: 1016.6mbar
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
Paialvo, Portugal
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is July (12.2km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in September
Paialvo, Portugal
- Average humidity in September: 61%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Paialvo, Portugal
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is April (54mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Paialvo, Portugal
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is April (14.1 days).
The month with the least rainy days is August (2.3 days).
Average daylight in September /
Average sunshine in September
Paialvo, Portugal
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Paialvo, Portugal
- Average sunshine days in September: 25 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (14.6 days).
Average UV index in September
Paialvo, Portugal
- Average UV index in September: 5
The months with the highest UV index are May, June, July and 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
Paialvo, Portugal
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in September
Paialvo, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and April (8km).
Paialvo, Portugal
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