September weather forecastValira, Greece

September

Weather in September

September, the first month of the autumn in Valira, is also a moderately hot month, with an average temperature fluctuating between 26.7°C (80.1°F) and 19.3°C (66.7°F).

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's tropical 30.8°C (87.4°F) to a moderately hot 26.7°C (80.1°F). In Valira, September is marked by an average low-temperature of 19.3°C (66.7°F).

Humidity

In September, the average relative humidity is 64%.

Rainfall

In September, the rain falls for 9.3 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 117.7 rainfall days, and 351mm (13.82") of precipitation is accumulated.

Snowfall

In Valira, snow does not fall in February through December.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:00. On the last day of September, sunrise is at 07:26 and sunset at 19:16 EEST.

Sunshine

The average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

The average high-temperature and low-temperature during September are 26.7°C (80.1°F) and 19.3°C (66.7°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 34°C (93.2°F).

In September, the average relative humidity is 64%.

In Valira, Greece, in September, during 9.3 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

In Valira, snow does not fall in February through December.

In Valira, the average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:00. On the last day of the month, sunrise is at 07:26 and sunset at 19:16 EEST.

In September, the average sunshine duration is 9.6h.

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk 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 days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Valira, Greece

  • Average high temperature in September: 26.7°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in September: 19.3°C

The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (6.7°C).

Average pressure in September
Valira, Greece

  • Average pressure in September: 1014.6mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).

Average wind speed in September
Valira, Greece

  • Average wind speed in September: 9.9km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in September
Valira, Greece

  • Average humidity in September: 64%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (57%).

Average rainfall in September
Valira, Greece

  • Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is July (9mm).

Average rainfall days in September
Valira, Greece

  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is January (13.3 days).
The month with the least rainy days is July (4.7 days).

Average snowfall days in September
Valira, Greece

  • Average snowfall days in September: 0 days

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

Average daylight in September /
Average sunshine in September
Valira, Greece

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in September
Valira, Greece

  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (13.8 days).

Average UV index in September
Valira, Greece

  • Average UV index in September: 6

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Valira, Greece

  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in September
Valira, Greece

  • Average visibility in September: 10km

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