Weather in September
Temperature
August and September represent the warmest period, with an average high-temperature of 24°C (75.2°F).Rainfall
In Machico, Portugal, during September, the rain falls for 6 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 97 rainfall days, and 681mm (26.81") of precipitation is accumulated.Sea temperature
The month with the warmest seawater in Machico is September, with an average sea temperature of 23.8°C (74.8°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 23.8°C (74.8°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Machico, the average length of the day in September is 12h and 22min.On the first day of September in Machico, sunrise is at 07:42 and sunset at 20:31. On the last day of the month, sunrise is at 08:00 and sunset at 19:52 WEST.
Sunshine
The average sunshine in September in Machico is 7h.UV index
In September, the average daily maximum UV index in Machico is 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 8 transforms into these recommendations:
Be vigilant. Without due care, eyes and skin can be harmed in no time. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take note! Sand and water reflections strengthen the Sun's UV exposure.
Frequently asked questions
What month is the hottest in Machico?
What is the temperature in September in Machico?
How much does it rain in Machico in September?
What month is the sea warmest in Machico?
How warm is the water in September in Machico?
What is the average length of the day in September in Machico?
When are sunrise and sunset in September in Machico?
How many hours of sunshine does Machico have in September?
How high is the UV index in September in Machico?
Average temperature in September
Machico, Portugal
- Average high temperature in September: 24°C
The warmest months (with the highest average high temperature) are August and September (24°C).
The months with the lowest average high temperature are January, February and March (17°C).
- Average low temperature in September: 18°C
The months with the highest average low temperature are August and September (18°C).
The coldest months (with the lowest average low temperature) are January, February, March and April (12°C).
Average rainfall in September
Machico, Portugal
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Machico, Portugal
- Average rainfall days in September: 6 days
The months with the highest number of rainy days are January and December (12 days).
The month with the least rainy days is July (2 days).
Average sea temperature in September
Machico, Portugal
- Average sea temperature in September: 23.8°C
The best month for swimming (with the highest average sea temperature) is September (23.8°C).
The coldest month (with the lowest average sea temperature) is March (17.8°C).
Average daylight in September /
Average sunshine in September
Machico, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 7h
The months with the most sunshine are July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, November and December (Average sunshine: 5h).
Average UV index in September
Machico, Portugal
- Average UV index in September: 8
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January and December (UV index 3).
Machico, Portugal
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