Orio
Spain
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Orio, Spain

The first month of the autumn, September, is still a pleasant month in Orio, Spain, with average temperature ranging between min 15.5°C (59.9°F) and max 21.1°C (70°F).

Temperature

In September, the average high-temperature is relatively the same as in August - a pleasant 21.1°C (70°F). In Orio, in September, the average low-temperature is 15.5°C (59.9°F).

Humidity

In September, the average relative humidity in Orio is 76%.

Rainfall

The month with the least rainfall is September when the rain falls for 15.5 days and typically collects 44mm (1.73") of precipitation.

Snowfall

April through November are months without snowfall.

Sea temperature

In Orio, the average water temperature is 20.8°C (69.4°F).
Note: Swimming in 20.8°C (69.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The average length of the day in Orio is 12.5h.

Sunshine

In Orio, the average sunshine in September is 8.3h.

UV index

May through September, with an average maximum UV index of 5, are months with the highest UV index in Orio. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
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. 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.

What is the temperature in September in Orio?

The average high-temperature, in September, is 21.1°C (70°F), while the average low-temperature is 15.5°C (59.9°F).

What is the average humidity in September in Orio?

The average relative humidity in September in Orio is 76%.

How many days does it rain in September in Orio?

In Orio, in September, it is raining for 15.5 days, with typically 44mm (1.73") of accumulated precipitation.

What is the driest month in Orio?

The month with the least rainfall is September when the rain falls for 15.5 days and typically collects 44mm (1.73") of precipitation.

When it does not snow in Orio?

April through November are months without snowfall in Orio, Spain.

What is the sea water temperature in September in Orio?

In September, the average sea temperature is 20.8°C (69.4°F). For most, swimming in 20.8°C (69.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

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

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

How long on average sun shines in September in Orio?

The average sunshine in September is 8.3h.

What are the months with the highest UV index in Orio?

Months with the highest UV index in Orio, Spain, are May through September, with an average maximum UV index of 5.

What is the UV index reading in September in Orio?

In Orio, Spain, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Orio, Spain
  • Average high temperature in September: 21.1°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (9.9°C).

  • Average low temperature in September: 15.5°C

The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average humidity in September - Orio, Spain
  • Average humidity in September: 76%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September - Orio, Spain
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the lowest rainfall) is September (44mm).

Average rainfall days in September - Orio, Spain
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is May (20.7 days).
The month with the lowest number of rainy days is October (14.8 days).

Average snowfall in September - Orio, Spain
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (7mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September - Orio, Spain
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September - Orio, Spain
  • Average sea temperature in September: 20.8°C

The best month for swimming (with the highest average sea temperature) is August (21.3°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).

Average daylight in September / Average sunshine in September - Orio, Spain
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 8.3h

The month with most sunshine is July (Average sunshine: 9.3h).
The month with least sunshine is November (Average sunshine: 4.8h).

Average UV index in September - Orio, Spain
  • Average UV index in September: 5

Months with the highest UV index are May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, March, April, November and December (UV index 3).