September weather forecast and climate
Oleirinhos, Portugal

Weather in September

September, the first month of the autumn, in Oleirinhos, is still a warm month, with temperature in the range of an average high of 24.3°C (75.7°F) and an average low of 11.5°C (52.7°F).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 28.3°C (82.9°F) in August, to a still warm 24.3°C (75.7°F). In September, the average low-temperature is 11.5°C (52.7°F).

Humidity

The average relative humidity in September is 57%.

Rainfall

In September, in Oleirinhos, the rain falls for 7.2 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Oleirinhos, during the entire year, the rain falls for 141.7 days and collects up to 532mm (20.94") of precipitation.

Snowfall

April through October are months without snowfall in Oleirinhos.

Daylight

In September, the average length of the day is 12.5h.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In Oleirinhos, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Oleirinhos?

The average high-temperature, in September, is 24.3°C (75.7°F), while the average low-temperature is 11.5°C (52.7°F).

What is the average humidity in September in Oleirinhos?

In September, the average relative humidity is 57%.

How much does it rain in Oleirinhos in September?

In Oleirinhos, during September, the rain falls for 7.2 days and regularly aggregates up to 32mm (1.26") of precipitation.

When it does not snow in Oleirinhos?

In Oleirinhos, Portugal, snow does not fall in April through October.

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

In September, the average length of the day is 12.5h.

How long on average sun shines in September in Oleirinhos?

In September, the average sunshine in Oleirinhos, Portugal, is 9.6h.

How high is the UV index in September in Oleirinhos?

In September, the average daily maximum UV index in Oleirinhos, Portugal, is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Oleirinhos, Portugal

Average temperature in September - Oleirinhos, Portugal
  • Average high temperature in September: 24.3°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

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Average pressure in September
Oleirinhos, Portugal

Average pressure in September - Oleirinhos, Portugal
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed in September
Oleirinhos, Portugal

Average wind speed in September - Oleirinhos, Portugal
  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).

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Average humidity in September
Oleirinhos, Portugal

Average humidity in September - Oleirinhos, Portugal
  • Average humidity in September: 57%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in September
Oleirinhos, Portugal

Average rainfall in September - Oleirinhos, Portugal
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

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Average rainfall days in September
Oleirinhos, Portugal

Average rainfall days in September - Oleirinhos, Portugal
  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall in September
Oleirinhos, Portugal

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

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Oleirinhos, Portugal

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

The month with the highest number of snowfall days is January (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Oleirinhos, Portugal
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days in September
Oleirinhos, Portugal

Average sunshine days in September - Oleirinhos, Portugal
  • Average sunshine days in September: 20.8 days

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in September
Oleirinhos, Portugal

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

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Oleirinhos, Portugal

Average cloud cover in September - Oleirinhos, Portugal
  • Average cloud cover in September: 20

The month with the most cloud cover is January (Cloud cover 50).
Months with the least cloud cover are July and August (Cloud cover 13).

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Average visibility in September
Oleirinhos, Portugal

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

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

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