September weather forecastPerissa, Greece
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Perissa, Greece, with an average temperature fluctuating between 24.5°C (76.1°F) and 23.3°C (73.9°F).Temperature
Perissa records an average high-temperature of a still moderately hot 24.5°C (76.1°F) in September, maintaining a close correlation with August's 25.9°C (78.6°F). Throughout September, Perissa's nights experience a slight temperature dip to a still moderately hot 23.3°C (73.9°F).Humidity
In Perissa, the average relative humidity in September is 73%.Rainfall
In Perissa, in September, during 4.5 rainfall days, 8mm (0.31") of precipitation is typically accumulated. Throughout the year, there are 87.8 rainfall days, and 221mm (8.7") of precipitation is accumulated.Sea temperature
In Perissa, in September, the average water temperature is 23°C (73.4°F).Note: If cold is not your friend, swimming at 23°C (73.4°F) might be daunting. But the right mix of sunshine, wind, and external temperature can make a difference. Although wetsuits are not essential, they can enhance the swimming experience.
Daylight
In September, the average length of the day in Perissa is 12h and 25min.On the first day of September in Perissa, sunrise is at 06:49 and sunset at 19:46. On the last day of the month, sunrise is at 07:12 and sunset at 19:03 EEST.
Sunshine
In Perissa, the average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September in Perissa is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perissa, Greece
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).
Average pressure in September
Perissa, Greece
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in September
Perissa, Greece
- Average wind speed in September: 21.9km/h
The windiest month (with the highest average wind speed) is January (29.2km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in September
Perissa, Greece
- Average humidity in September: 73%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall in September
Perissa, Greece
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is February (38mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Perissa, Greece
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in September
Perissa, Greece
- Average sea temperature in September: 23°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Perissa, 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).
- Average sunshine in September: 10h and 48min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Perissa, Greece
- Average sunshine days in September: 23.5 days
The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is January (13.3 days).
Average UV index in September
Perissa, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Perissa, Greece
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Perissa, 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).
