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 commencement of September records an average high-temperature of a still warm 26.3°C (79.3°F), barely varying from August's 27.7°C (81.9°F). An average nighttime temperature of 14.6°C (58.3°F) is recorded in Alvorge during September.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 68%.Rainfall
In Alvorge, in September, it is raining for 4.2 days, with typically 8mm (0.31") of accumulated precipitation. In Alvorge, during the entire year, the rain falls for 79 days and collects up to 141mm (5.55") of precipitation.Daylight
In Alvorge, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:02 and sunset at 20:05. On the last day of the month, sunrise is at 07:29 and sunset at 19:17 WEST.
Sunshine
The average sunshine in September in Alvorge, Portugal, is 9.2h.UV index
In Alvorge, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are the temperatures in Alvorge in September?
What is the least humid month in Alvorge?
What is the average humidity in September in Alvorge?
How many days does it rain in September in Alvorge?
What is the average length of the day in September in Alvorge?
What time are sunrise and sunset in September in Alvorge?
How many hours of sunshine does Alvorge have in September?
What is the UV index reading in September in Alvorge?
Average temperature in September
Alvorge, Portugal
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (13.4°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is July (15°C).
The coldest months (with the lowest average low temperature) are January and February (6.7°C).
Average pressure in September
Alvorge, Portugal
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Alvorge, Portugal
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in September
Alvorge, Portugal
- Average humidity in September: 68%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Alvorge, Portugal
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is November (27mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Alvorge, Portugal
- Average rainfall days in September: 4.2 days
The month with the highest number of rainy days is April (11.3 days).
The month with the least rainy days is August (1.9 days).
Average daylight in September /
Average sunshine in September
Alvorge, Portugal
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
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 6min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Alvorge, Portugal
- Average sunshine days in September: 24.3 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (16.2 days).
Average UV index in September
Alvorge, 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
Alvorge, Portugal
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Alvorge, Portugal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (9km).
The months with the lowest visibility are July and August (8km).
Alvorge, Portugal
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