September weather forecast and climate
Longos, Greece

September, the first month of the autumn, in Longos, is still a warm month, with average temperature varying between 27°C (80.6°F) and 15°C (59°F).

Temperature

In September, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 15°C (59°F).

Rainfall

In Longos, in September, it is raining for 6 days, with typically 70mm (2.8") of accumulated precipitation. In Longos, during the entire year, the rain falls for 107 days and collects up to 1188mm (46.8") of precipitation.

Sea temperature

In Longos, the average seawater temperature is 24°C (75.2°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24°C (75.2°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

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

Sunshine

In Longos, Greece, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Longos?

In Longos, in September, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 15°C (59°F).

How much does it rain in Longos in September?

In Longos, Greece, in September, during 6 rainfall days, 70mm (2.8") of precipitation is typically accumulated.

What is the sea temperature in September in Longos?

In September, the average sea temperature in Longos, Greece, is 24°C (75.2°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24°C (75.2°F) water may be enjoyable.

How many hours of daylight does Longos have in September?

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

How long on average sun shines in September in Longos?

The average sunshine in September is 9h.

What is the UV index intensity in September in Longos?

In September, the average daily maximum UV index in Longos is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Longos, Greece
  • Average high temperature in September: 27°C

Warmest months (with the highest average high temperature) are July and August (30°C).
Months with the lowest average high temperature are January and February (12°C).

  • Average low temperature in September: 15°C

Months with the highest average low temperature are July and August (17°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average rainfall in September - Longos, Greece
  • Average rainfall in September: 70mm

Wettest months (with the highest rainfall) are November and December (196mm).
The driest month (with the lowest rainfall) is July (13mm).

Average rainfall days in September - Longos, Greece
  • Average rainfall days in September: 6 days

Months with the highest number of rainy days are January, April, November and December (12 days).
The month with the lowest number of rainy days is July (4 days).

Average sea temperature in September - Longos, Greece
  • Average sea temperature in September: 24°C

The best month for swimming (with the highest average sea temperature) is August (26°C).
Coldest months (with the lowest average sea temperature) are January, February and March (15°C).

Average daylight in September / Average sunshine in September - Longos, 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: 9.5h).

  • Average sunshine in September: 9h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

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

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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