September weather forecast and climate
Tojeirinha, Portugal

Weather in September

The first month of the autumn, September, is also a moderately hot month in Tojeirinha, Portugal, with temperature in the range of an average low of 15.4°C (59.7°F) and an average high of 28.6°C (83.5°F).

Temperature

In September, the average high-temperature slightly decreases, from a hot 32.8°C (91°F) in August, to a warm 28.6°C (83.5°F). The average low-temperature, in September, is 15.4°C (59.7°F).

Heat index

In September, the average heat index is estimated at 29°C (84.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Tojeirinha is 49%.

Rainfall

In Tojeirinha, Portugal, it is raining for 5.2 days, with typically 18mm (0.71") of accumulated precipitation. In Tojeirinha, during the entire year, the rain falls for 97.2 days and collects up to 371mm (14.61") of precipitation.

Snowfall

February through December are months without snowfall in Tojeirinha.

Daylight

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

Sunshine

The average sunshine in Tojeirinha is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Tojeirinha?

In September, in Tojeirinha, Portugal, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 15.4°C (59.7°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in September is appraised at 29°C (84.2°F).

What is the average humidity in September in Tojeirinha?

In September, the average relative humidity in Tojeirinha, Portugal, is 49%.

How many days does it rain in September in Tojeirinha?

In Tojeirinha, Portugal, in September, it is raining for 5.2 days, with typically 18mm (0.71") of accumulated precipitation.

When it does not snow in Tojeirinha?

In Tojeirinha snow does not fall in February through December.

How many hours of daylight does Tojeirinha have in September?

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

How many hours of sunshine does Tojeirinha have in September?

In September, the average sunshine in Tojeirinha is 9.4h.

What is the UV index reading in September in Tojeirinha?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Tojeirinha, Portugal

Average temperature in September - Tojeirinha, Portugal
  • Average high temperature in September: 28.6°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (11.6°C).

  • Average low temperature in September: 15.4°C

The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).

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Average pressure in September
Tojeirinha, Portugal

Average pressure in September - Tojeirinha, Portugal
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

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Average wind speed in September
Tojeirinha, Portugal

Average wind speed in September - Tojeirinha, Portugal
  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is February (11.3km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).

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Average humidity in September
Tojeirinha, Portugal

Average humidity in September - Tojeirinha, Portugal
  • Average humidity in September: 49%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in September
Tojeirinha, Portugal

Average rainfall in September - Tojeirinha, Portugal
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is November (60mm).
The driest months (with the least rainfall) are July and August (3mm).

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Average rainfall days in September
Tojeirinha, Portugal

Average rainfall days in September - Tojeirinha, Portugal
  • Average rainfall days in September: 5.2 days

The month with the highest number of rainy days is November (12.3 days).
The month with the least rainy days is August (1.5 days).

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Average snowfall in September
Tojeirinha, Portugal

Average snowfall in September - Tojeirinha, Portugal
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (1mm).
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days in September
Tojeirinha, Portugal

Average snowfall days in September - Tojeirinha, Portugal
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and March (0.1 days).
Months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in September / Average sunshine in September - Tojeirinha, 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: 9.4h).

  • Average sunshine in September: 9.4h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5.2h).

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Average sunshine days in September
Tojeirinha, Portugal

Average sunshine days in September - Tojeirinha, Portugal
  • Average sunshine days in September: 23.3 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is April (16.6 days).

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Average UV index in September
Tojeirinha, Portugal

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Tojeirinha, Portugal

Average cloud cover in September - Tojeirinha, Portugal
  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 42).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in September
Tojeirinha, Portugal

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

Months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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