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 sea temperature 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 advent of September observes an average high-temperature of a still warm 26.5°C (79.7°F), nearly identical to August's 28.5°C (83.3°F). Alcochete, in September, observes a steady average low-temperature of 16.9°C (62.4°F).Humidity
In Alcochete, the average relative humidity in September is 67%.Rainfall
In Alcochete, in September, it is raining for 3.6 days, with typically 7mm (0.28") of accumulated precipitation. Throughout the year, in Alcochete, there are 78.2 rainfall days, and 171mm (6.73") of precipitation is accumulated.Sea temperature
With an average sea temperature of 20°C (68°F), September is the month with the warmest seawater.Note: In water with a temperature of 20°C (68°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Alcochete, the average length of the day in September is 12h and 26min.On the first day of September in Alcochete, sunrise is at 07:05 and sunset at 20:05. On the last day of the month, sunrise is at 07:31 and sunset at 19:20 WEST.
Sunshine
In Alcochete, the average sunshine in September is 9.4h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Alcochete?
What is the average humidity in September in Alcochete?
How much does it rain in Alcochete in September?
What is the month with the warmest sea water in Alcochete?
How cold is the water in September in Alcochete?
How many hours of daylight does Alcochete have in September?
What time are sunrise and sunset in September in Alcochete?
How long on average sun shines in September in Alcochete?
When is the highest UV index in Alcochete?
What is the UV index reading in September in Alcochete?
Average temperature in September
Alcochete, Portugal
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 16.9°C
The months with the highest average low temperature are July and August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9°C).
Average pressure in September
Alcochete, Portugal
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Alcochete, Portugal
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).
Average humidity in September
Alcochete, Portugal
- Average humidity in September: 67%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Alcochete, Portugal
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Alcochete, Portugal
- Average rainfall days in September: 3.6 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is August (1.6 days).
Average sea temperature in September
Alcochete, Portugal
- Average sea temperature in September: 20°C
The best month for swimming (with the highest average sea temperature) is September (20°C).
The coldest month (with the lowest average sea temperature) is March (15.2°C).
Average daylight in September /
Average sunshine in September
Alcochete, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Alcochete, Portugal
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is April (17.2 days).
Average UV index in September
Alcochete, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Alcochete, Portugal
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Alcochete, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Alcochete, Portugal
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