Petra
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Petra, Greece

An aerial panoramic view of the village of Petra in Greece, the beautiful waters, and the rest of Lesvos Island and Mythimna region
An aerial panoramic view of the village of Petra in Greece, the beautiful waters, and the rest of Lesvos Island and Mythimna region
September, the first month of the autumn, in Petra, is still a warm month, with temperature in the range of an average high of 25°C (77°F) and an average low of 16°C (60.8°F).

Temperature

In September, the average high-temperature slightly decreases, from a warm 28°C (82.4°F) in August, to a still moderately hot 25°C (77°F). In September, in Petra, the average low-temperature is 16°C (60.8°F).

Rainfall

In September, the rain falls for 4 days. Throughout September, 19mm (0.7") of precipitation is accumulated. Throughout the year, there are 86 rainfall days, and 646mm (25.4") of precipitation is accumulated.

Sea temperature

In Petra, Greece, the average seawater temperature in September is 22.6°C (72.7°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.6°C (72.7°F).

Daylight

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

Sunshine

The average sunshine in Petra is 10h.

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Petra?

In September, in Petra, the average high-temperature is 25°C (77°F), and the average low-temperature is 16°C (60.8°F).

How much does it rain in Petra in September?

In September, in Petra, the rain falls for 4 days. Throughout September, 19mm (0.7") of precipitation is accumulated.

What is the sea temperature in September in Petra?

In September, the average sea temperature in Petra is 22.6°C (72.7°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.6°C (72.7°F) water may be enjoyable.

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

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

How long on average sun shines in September in Petra?

In Petra, Greece, the average sunshine in September is 10h.

What is the UV index intensity in September in Petra?

In September, the average daily maximum UV index in Petra is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Petra, Greece
  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is July (29°C).
Months with the lowest average high temperature are January and February (11°C).

  • Average low temperature in September: 16°C

The month with the highest average low temperature is July (20°C).
Coldest months (with the lowest average low temperature) are January and February (5°C).

Average rainfall in September - Petra, Greece
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the lowest rainfall) is August (7mm).

Average rainfall days in September - Petra, Greece
  • Average rainfall days in September: 4 days

Months with the highest number of rainy days are January and December (12 days).
Months with the lowest number of rainy days are June and September (4 days).

Average sea temperature in September - Petra, Greece
  • Average sea temperature in September: 22.6°C

The best month for swimming (with the highest average sea temperature) is August (24.5°C).
Coldest months (with the lowest average sea temperature) are February and March (15.3°C).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 10h

The month with most sunshine is July (Average sunshine: 14h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in September - Petra, Greece
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January, November and December (UV index 2).