September weather forecastAno Symi, Greece

September

Weather in September

The first month of the autumn, September, is still a warm month in Ano Symi, Greece, with an average temperature fluctuating between 19°C (66.2°F) and 29°C (84.2°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

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 32°C (89.6°F) in August to a moderately hot 29°C (84.2°F). In September, Ano Symi experiences an average nighttime temperature of 19°C (66.2°F).

Rainfall

In Ano Symi, during September, the rain falls for 4 days and regularly aggregates up to 14mm (0.55") of precipitation. 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 Ano Symi, in September, the average water temperature is 25.6°C (78.1°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

In September, the average length of the day in Ano Symi is 12h and 25min.
On the first day of the month, sunrise is at 06:40 and sunset at 19:36. On the last day of September, sunrise is at 07:03 and sunset at 18:53 EEST.

Sunshine

In September, the average sunshine in Ano Symi is 11h.

UV index

In September, the average daily maximum UV index in Ano Symi, Greece, is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Warning! The Sun's UV rays intensify with reflections from sand and water.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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

In Ano Symi, in September, during 4 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

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.

In Ano Symi, Greece, the average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 06:40 and sunset at 19:36. On the last day of the month, in Ano Symi, sunrise is at 07:03 and sunset at 18:53 EEST.

In September, the average sunshine duration in Ano Symi, Greece, is 11h.

The average daily maximum UV index in September in Ano Symi is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

32°C

29°C

24°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Ano Symi, Greece

Average high temperature in September: 29°C

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

Average low temperature in September: 19°C

The months with the highest average low temperature are July and August (21°C).
The 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 least rainfall) is July (3mm).

Average rainfall days in September
Ano Symi, Greece

Average rainfall days in September: 4 days

The months with the highest number of rainy days are January and December (14 days).
The month with the least 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).
The 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: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).