September weather forecastTsilivi, Greece

September

Weather in September

September, the first month of the autumn in Tsilivi, is still a warm month, with an average temperature ranging between max 25.7°C (78.3°F) and min 24°C (75.2°F).
The perfect water temperature of 25°C (77°F) with 2mm (0.08") of accumulated rainfall and only 2.5 rainfall days, makes September a great period for swimming and other water activities.

Temperature

Tsilivi registers an average high-temperature of a still moderately hot 25.7°C (78.3°F) at the commencement of September, closely related to the preceding month. A modest dip in temperatures to an average of 24°C (75.2°F) is observed throughout Tsilivi's September nights.

Humidity

The months with the lowest humidity are September and December, with an average relative humidity of 67%.

Rainfall

Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 42.8 rainfall days, and 90mm (3.54") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 25°C (77°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 07:06 and sunset at 20:05. On the last day of September, in Tsilivi, sunrise is at 07:31 and sunset at 19:21 EEST.

Sunshine

In Tsilivi, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 during September translates into the following guidance:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.

Frequently asked questions

An average high-temperature, in September, in Tsilivi, is 25.7°C (78.3°F) and the average low-temperature is 24°C (75.2°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 31°C (87.8°F).

September and December, with an average relative humidity of 67%, are the least humid months.

In Tsilivi, the average relative humidity in September is 67%.

September is the first month it rains in Tsilivi, Greece. Throughout September, in the average 2.5 rainfall days, it receives 2mm (0.08") of precipitation.

In Tsilivi, in September, the average water temperature is 25°C (77°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 Tsilivi, Greece, the average day length in September is 12h and 26min.

In September, on the first day of the month, sunrise is at 07:06 and sunset at 20:05. On the last day of the month, in Tsilivi, sunrise is at 07:31 and sunset at 19:21 EEST.

In Tsilivi, the average sunshine duration in September is 9.6h.

The average daily maximum UV index in September in Tsilivi, Greece, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tsilivi, Greece

  • Average high temperature in September: 25.7°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.2°C).

  • Average low temperature in September: 24°C

The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (12.2°C).

Average pressure in September
Tsilivi, Greece

  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).

Average wind speed in September
Tsilivi, Greece

  • Average wind speed in September: 14.2km/h

The windiest month (with the highest average wind speed) is January (20.9km/h).
The calmest month (with the lowest average wind speed) is June (13.9km/h).

Average humidity in September
Tsilivi, Greece

  • Average humidity in September: 67%

The months with the highest relative humidity are April, May and June (72%).
The months with the lowest relative humidity are September and December (67%).

Average rainfall in September
Tsilivi, Greece

  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is November (23mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in September
Tsilivi, Greece

  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is November (6.6 days).
The month with the least rainy days is August (0.3 days).

Average sea temperature in September
Tsilivi, Greece

  • Average sea temperature in September: 25°C

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

Average daylight in September /
Average sunshine in September
Tsilivi, Greece

  • Average daylight in September: 12h and 24min

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

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in September
Tsilivi, Greece

  • Average sunshine days in September: 26.7 days

The month with the most sunshine days is August (30.4 days).
The month with the least sunshine days is December (20.9 days).

Average UV index in September
Tsilivi, Greece

  • Average UV index in September: 6

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).

Average cloud cover in September
Tsilivi, Greece

  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 6).

Average visibility in September
Tsilivi, Greece

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).