September weather forecast
Aguiã, Portugal

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Aguiã, Portugal, with temperature in the range of an average high of 24.8°C (76.6°F) and an average low of 14°C (57.2°F).

Temperature

Aguiã transitions into September recording an average high-temperature of a still moderately hot 24.8°C (76.6°F), closely aligning with the preceding month's temperature. Aguiã sees an average low-temperature of 14°C (57.2°F) during September.

Humidity

The months with the lowest humidity in Aguiã are August and September, with an average relative humidity of 69%.

Rainfall

In September, in Aguiã, the rain falls for 8.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Aguiã, there are 145.4 rainfall days, and 998mm (39.29") of precipitation is accumulated.

Sea temperature

August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater in Aguiã.
Note: In 21°C (69.8°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).

Daylight

In Aguiã, the average length of the day in September is 12h and 29min.
On the first day of September in Aguiã, Portugal, sunrise is at 07:00 and sunset at 20:07. On the last day of the month, sunrise is at 07:30 and sunset at 19:16 WEST.

Sunshine

In September, the average sunshine in Aguiã is 8.9h.

UV index

In Aguiã, 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 unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Avoiding sunburn is suggested. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the usual temperature for Aguiã in September?

In Aguiã, in September, the average high-temperature is 24.8°C (76.6°F), and the average low-temperature is 14°C (57.2°F).

What are the least humid months in Aguiã?

The months with the lowest humidity in Aguiã are August and September, with an average relative humidity of 69%.

What is the average humidity in September in Aguiã?

In Aguiã, Portugal, the average relative humidity in September is 69%.

How many days does it rain in September in Aguiã?

In Aguiã, Portugal, in September, it is raining for 8.1 days, with typically 35mm (1.38") of accumulated precipitation.

What months are the sea warmest in Aguiã?

The months with the warmest seawater in Aguiã are August and September, with an average sea temperature of 21°C (69.8°F).

What is the sea temperature in September in Aguiã?

In Aguiã, Portugal, in September, the average water temperature is 21°C (69.8°F). For swimming, a surface water temperature of 21°C (69.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the average length of the day in September in Aguiã?

In Aguiã, the average day length in September is 12h and 29min.

When are sunrise and sunset in September in Aguiã?

On the first day of September in Aguiã, Portugal, sunrise is at 07:00 and sunset at 20:07. On the last day of the month, sunrise is at 07:30 and sunset at 19:16 WEST.

How long on average sun shines in September in Aguiã?

In Aguiã, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Aguiã?

In Aguiã, Portugal, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Aguiã, Portugal

Average temperature in September - Aguiã, Portugal
  • Average high temperature in September: 24.8°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (11.8°C).

  • Average low temperature in September: 14°C

The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

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Average pressure in September
Aguiã, Portugal

Average pressure in September - Aguiã, Portugal
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in September
Aguiã, Portugal

Average wind speed in September - Aguiã, Portugal
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).

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Average humidity in September
Aguiã, Portugal

Average humidity in September - Aguiã, Portugal
  • Average humidity in September: 69%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are August and September (69%).

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Average rainfall in September
Aguiã, Portugal

Average rainfall in September - Aguiã, Portugal
  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is November (154mm).
The driest month (with the least rainfall) is July (11mm).

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Average rainfall days in September
Aguiã, Portugal

Average rainfall days in September - Aguiã, Portugal
  • Average rainfall days in September: 8.1 days

The month with the highest number of rainy days is November (17.2 days).
The month with the least rainy days is August (5.4 days).

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Average sea temperature in September
Aguiã, Portugal

Average sea temperature in September - Aguiã, Portugal
  • Average sea temperature in September: 21°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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Average daylight in September /
Average sunshine in September
Aguiã, Portugal

Average daylight in September / Average sunshine in September - Aguiã, Portugal
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in September
Aguiã, Portugal

Average sunshine days in September - Aguiã, Portugal
  • Average sunshine days in September: 20.6 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is November (11.7 days).

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Average UV index in September
Aguiã, Portugal

Average UV index in September - Aguiã, 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, March, April, November and December (UV index 3).

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Average cloud cover in September
Aguiã, Portugal

Average cloud cover in September - Aguiã, Portugal
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 21).

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Average visibility in September
Aguiã, Portugal

Average visibility in September - Aguiã, Portugal
  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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Aguiã, Portugal

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