September weather forecastBisaurri, Spain

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Bisaurri, Spain, with temperature in the range of an average high of 21.6°C (70.9°F) and an average low of 10.5°C (50.9°F).

Temperature

As August transitions into September, Bisaurri sees a gentle drop in the average high-temperature, transitioning from a warm 26.5°C (79.7°F) to an agreeable 21.6°C (70.9°F). In the month of September, the average low-temperature usually rests at a cool 10.5°C (50.9°F).

Humidity

In Bisaurri, Spain, the average relative humidity in September is 64%.

Rainfall

In September, in Bisaurri, the rain falls for 9.3 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Bisaurri, during the entire year, the rain falls for 102.4 days and collects up to 258mm (10.16") of precipitation.

Snowfall

April through October are months without snowfall in Bisaurri, Spain.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of the month, sunrise is at 07:23 and sunset at 20:32. On the last day of September, in Bisaurri, sunrise is at 07:54 and sunset at 19:41 CEST.

Sunshine

In Bisaurri, Spain, the average sunshine in September is 9.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in September transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

The average high-temperature and low-temperature during September are 21.6°C (70.9°F) and 10.5°C (50.9°F) respectively.

In Bisaurri, the average relative humidity in September is 64%.

In Bisaurri, Spain, in September, during 9.3 rainfall days, 19mm (0.75") of precipitation is typically accumulated.

In Bisaurri, snow does not fall in April through October.

The average day length in September is 12h and 29min.

On the first day of September, sunrise is at 07:23 and sunset at 20:32. On the last day of the month, sunrise is at 07:54 and sunset at 19:41 CEST.

The average sunshine duration in September in Bisaurri, Spain, is 9.7h.

In September, the average daily maximum UV index in Bisaurri, Spain, is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bisaurri, Spain

  • Average high temperature in September: 21.6°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (6.5°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).

Average pressure in September
Bisaurri, Spain

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Bisaurri, Spain

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).

Average humidity in September
Bisaurri, Spain

  • Average humidity in September: 64%

The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).

Average rainfall in September
Bisaurri, Spain

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is February (8mm).

Average rainfall days in September
Bisaurri, Spain

  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.7 days).

Average snowfall in September
Bisaurri, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Bisaurri, Spain

  • Average snowfall days in September: 0 days

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

Average daylight in September /
Average sunshine in September
Bisaurri, Spain

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 9h and 42min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).

Average sunshine days in September
Bisaurri, Spain

  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is April (15 days).

Average UV index in September
Bisaurri, Spain

  • Average UV index in September: 4

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

Average cloud cover in September
Bisaurri, Spain

  • Average cloud cover in September: 17

The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 12).

Average visibility in September
Bisaurri, Spain

  • Average visibility in September: 10km

The months with the highest visibility are February, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April and November (9km).