Ierapetra
Greece
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Ierapetra, Greece

Outstanding panoramic view of the Kales Venetian fortress, at the entrance to the Lelapetra Harbour in Greece
Outstanding panoramic view of the Kales Venetian fortress, at the entrance to the Lelapetra Harbour in Greece
The first month of the autumn, September, is also a moderately hot month in Ierapetra, Greece, with temperature in the range of an average low of 20.2°C (68.4°F) and an average high of 28.8°C (83.8°F).
The ideal sea water temperature of 25.4°C (77.7°F) and only 1 rainfall days, with 20.4mm (0.8") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

In September, the average high-temperature in Ierapetra slightly decreases, from a hot 31.8°C (89.2°F) in August, to a moderately hot 28.8°C (83.8°F). The average low-temperature, in September, is 20.2°C (68.4°F).

Rainfall

In Ierapetra, during September, the rain falls for 1 days and regularly aggregates up to 20.4mm (0.8") of precipitation. Throughout the year, there are 68 rainfall days, and 661.8mm (26.06") of precipitation is accumulated.

Sea temperature

In Ierapetra, the average water temperature is 25.4°C (77.7°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

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

Sunshine

In September, the average sunshine is 10h.

UV index

In September, the average daily maximum UV index in Ierapetra is 8. A UV Index estimate of 8 to 10 represents a very high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 8 in September interpret into the following advice:
Take extra precautions. Protection against sun 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. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Ierapetra?

The average high-temperature, in September, is 28.8°C (83.8°F), while the average low-temperature is 20.2°C (68.4°F).

How many days does it rain in September in Ierapetra?

In Ierapetra, Greece, in September, it is raining for 1 days, with typically 20.4mm (0.8") of accumulated precipitation.

What is the sea water temperature in September in Ierapetra?

In Ierapetra, Greece, the average seawater temperature in September is 25.4°C (77.7°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.

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

In Ierapetra, Greece, the average length of the day in September is 12.4h.

How long on average sun shines in September in Ierapetra?

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

How high is the UV index in September in Ierapetra?

In September, the average daily maximum UV index in Ierapetra, Greece, is 8. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Ierapetra, Greece
  • Average high temperature in September: 28.8°C

Warmest months (with the highest average high temperature) are July and August (31.8°C).
The month with the lowest average high temperature is January (16.1°C).

  • Average low temperature in September: 20.2°C

The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is February (8.7°C).

Average rainfall in September - Ierapetra, Greece
  • Average rainfall in September: 20.4mm

The wettest month (with the highest rainfall) is January (133.8mm).
The driest month (with the lowest rainfall) is July (0.5mm).

Average rainfall days in September - Ierapetra, Greece
  • Average rainfall days in September: 1 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, July, August and September (1 days).

Average sea temperature in September - Ierapetra, Greece
  • Average sea temperature in September: 25.4°C

The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (16.7°C).

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

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 10h

Months with most sunshine are June, July and August (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 4).

Average UV index in September - Ierapetra, Greece
  • Average UV index in September: 8

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).