Ano Symi
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ano Symi, Greece

The first month of the autumn, September, is still a warm month in Ano Symi, Greece, with average temperature varying between 29°C (84.2°F) and 19°C (66.2°F).
The ideal sea water temperature of 25.6°C (78.1°F) and only 4 rainfall days, with 14mm (0.55") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

In Ano Symi, the average high-temperature marginally drops, from a hot 32°C (89.6°F) in August, to a warm 29°C (84.2°F). In September, the average low-temperature is 19°C (66.2°F).

Rainfall

In Ano Symi, in September, during 4 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Ano Symi, during the entire year, the rain falls for 93 days and collects up to 874mm (34.41") of precipitation.

Sea temperature

In September, the average sea temperature in Ano Symi is 25.6°C (78.1°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

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

Sunshine

The average sunshine in September is 11h.

UV index

The average daily maximum UV index in Ano Symi is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Ano Symi?

In September, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 19°C (66.2°F).

How much does it rain in Ano Symi in September?

In September, in Ano Symi, Greece, the rain falls for 4 days. Throughout September, 14mm (0.55") of precipitation is accumulated.

How warm is the water in September in Ano Symi?

In September, the average sea temperature in Ano Symi, Greece, is 25.6°C (78.1°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Ano Symi have in September?

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

How many hours of sunshine does Ano Symi have in September?

In September, the average sunshine is 11h.

What is the UV index intensity in September in Ano Symi?

In Ano Symi, Greece, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Ano Symi, Greece
  • Average high temperature in September: 29°C

Warmest months (with the highest average high temperature) are July and August (32°C).
Months with the lowest average high temperature are January and February (14°C).

  • Average low temperature in September: 19°C

Months with the highest average low temperature are July and August (21°C).
Coldest months (with the lowest average low temperature) are January and February (7°C).

Average rainfall in September - Ano Symi, Greece
  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is December (190mm).
The driest month (with the lowest rainfall) is July (3mm).

Average rainfall days in September - Ano Symi, Greece
  • Average rainfall days in September: 4 days

Months with the highest number of rainy days are January and December (14 days).
The month with the lowest number of rainy days is June (3 days).

Average sea temperature in September - Ano Symi, Greece
  • Average sea temperature in September: 25.6°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
Coldest months (with the lowest average sea temperature) are February and March (16.9°C).

Average daylight in September / Average sunshine in September - Ano Symi, Greece
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 11h

The month with most sunshine is July (Average sunshine: 14h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in September - Ano Symi, Greece
  • Average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).