September weather forecast and climate
Sapeira, Portugal

Weather in September

The first month of the autumn, September, is still a warm month in Sapeira, Portugal, with average temperature varying between 17.9°C (64.2°F) and 25.8°C (78.4°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a still warm 25.8°C (78.4°F). In Sapeira, Portugal, in September, the average low-temperature is 17.9°C (64.2°F).

Humidity

In September, the average relative humidity in Sapeira is 68%.

Rainfall

In Sapeira, it is raining for 3.9 days, with typically 6mm (0.24") of accumulated precipitation. In Sapeira, during the entire year, the rain falls for 85.4 days and collects up to 164mm (6.46") of precipitation.

Daylight

The average length of the day in Sapeira is 12.4h.

Sunshine

In September, the average sunshine is 9.5h.

UV index

Months with the highest UV index in Sapeira are May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Sapeira?

In September, in Sapeira, the average high-temperature is 25.8°C (78.4°F), and the average low-temperature is 17.9°C (64.2°F).

What is the average humidity in September in Sapeira?

In September, the average relative humidity in Sapeira, Portugal, is 68%.

How many days does it rain in September in Sapeira?

In September, in Sapeira, Portugal, the rain falls for 3.9 days. Throughout September, 6mm (0.24") of precipitation is accumulated.

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

The average length of the day in September is 12.4h.

How many hours of sunshine does Sapeira have in September?

The average sunshine in September is 9.5h.

When is the highest UV index in Sapeira?

Months with the highest UV index in Sapeira, Portugal, are May through September, with an average maximum UV index of 6.

How high is the UV index in September in Sapeira?

In Sapeira, Portugal, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in September
Sapeira, Portugal

Average temperature in September - Sapeira, Portugal
  • Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (14.5°C).

  • Average low temperature in September: 17.9°C

The month with the highest average low temperature is August (18.4°C).
The coldest month (with the lowest average low temperature) is February (9.2°C).

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Average pressure in September
Sapeira, Portugal

Average pressure in September - Sapeira, Portugal
  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

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Average wind speed in September
Sapeira, Portugal

Average wind speed in September - Sapeira, Portugal
  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is September (11.2km/h).

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Average humidity in September
Sapeira, Portugal

Average humidity in September - Sapeira, Portugal
  • Average humidity in September: 68%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (65%).

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Average rainfall in September
Sapeira, Portugal

Average rainfall in September - Sapeira, Portugal
  • Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is November (25mm).
The driest month (with the least rainfall) is July (1mm).

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Average rainfall days in September
Sapeira, Portugal

Average rainfall days in September - Sapeira, Portugal
  • Average rainfall days in September: 3.9 days

The month with the highest number of rainy days is March (12.2 days).
The month with the least rainy days is August (1.5 days).

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

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

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 9.5h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5.9h).

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Average sunshine days in September
Sapeira, Portugal

Average sunshine days in September - Sapeira, Portugal
  • Average sunshine days in September: 24.4 days

The month with the most sunshine days is July (28.6 days).
The month with the least sunshine days is April (15.3 days).

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Average UV index in September
Sapeira, Portugal

Average UV index in September - Sapeira, Portugal
  • Average UV index in September: 6

Months with the highest UV index are May, June, July, August and September (UV index 6).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in September
Sapeira, Portugal

Average cloud cover in September - Sapeira, Portugal
  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in September
Sapeira, Portugal

Average visibility in September - Sapeira, Portugal
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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