September weather forecast and climate
Sangalhos, Portugal

Weather in September

September, the first month of the autumn, in Sangalhos, is also a moderately hot month, with average temperature ranging between min 13.9°C (57°F) and max 26.5°C (79.7°F).

Temperature

In Sangalhos, the average high-temperature in September is essentially the same as in August - a still warm 26.5°C (79.7°F). In September, in Sangalhos, the average low-temperature is 13.9°C (57°F).

Humidity

August and September, with an average relative humidity of 65%, are the least humid months.

Rainfall

In September, the rain falls for 5.3 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Sangalhos, during the entire year, the rain falls for 123.5 days and collects up to 656mm (25.83") of precipitation.

Daylight

In Sangalhos, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Sangalhos?

In September, in Sangalhos, the average high-temperature is 26.5°C (79.7°F), and the average low-temperature is 13.9°C (57°F).

What is the least humid month in Sangalhos?

Months with the lowest humidity in Sangalhos, Portugal, are August and September, with an average relative humidity of 65%.

What is the average humidity in September in Sangalhos?

In Sangalhos, the average relative humidity in September is 65%.

How much does it rain in Sangalhos in September?

In Sangalhos, in September, it is raining for 5.3 days, with typically 24mm (0.94") of accumulated precipitation.

How many hours of daylight does Sangalhos have in September?

In Sangalhos, the average length of the day in September is 12.4h.

How long on average sun shines in September in Sangalhos?

In September, the average sunshine in Sangalhos is 9.3h.

What is the UV index reading in September in Sangalhos?

In Sangalhos, Portugal, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Sangalhos, Portugal

Average temperature in September - Sangalhos, Portugal
  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (13.1°C).

  • Average low temperature in September: 13.9°C

The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).

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Average pressure in September
Sangalhos, Portugal

Average pressure in September - Sangalhos, Portugal
  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in September
Sangalhos, Portugal

Average wind speed in September - Sangalhos, Portugal
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is September (7.2km/h).

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Average humidity in September
Sangalhos, Portugal

Average humidity in September - Sangalhos, Portugal
  • Average humidity in September: 65%

The month with the highest relative humidity is January (84%).
Months with the lowest relative humidity are August and September (65%).

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Average rainfall in September
Sangalhos, Portugal

Average rainfall in September - Sangalhos, Portugal
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (98mm).
The driest month (with the least rainfall) is July (5mm).

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Average rainfall days in September
Sangalhos, Portugal

Average rainfall days in September - Sangalhos, Portugal
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).

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

Average daylight in September / Average sunshine in September - Sangalhos, Portugal
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 11.2h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days in September
Sangalhos, Portugal

Average sunshine days in September - Sangalhos, Portugal
  • Average sunshine days in September: 23 days

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.7 days).

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Average UV index in September
Sangalhos, Portugal

Average UV index in September - Sangalhos, Portugal
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in September
Sangalhos, Portugal

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

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Sangalhos, Portugal

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

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

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