September weather forecastKarvounari, Greece
September
Weather in September
September, the first month of the autumn in Karvounari, is also a moderately hot month, with temperature in the range of an average high of 25.7°C (78.3°F) and an average low of 20.3°C (68.5°F).Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from 29.5°C (85.1°F) in August to a still warm 25.7°C (78.3°F). September nights in Karvounari experience a consistent temperature drop to a pleasant 20.3°C (68.5°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Karvounari, in September, during 10.5 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 144.7 rainfall days, and 891mm (35.08") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:06 and sunset at 20:08. On the last day of the month, sunrise is at 07:33 and sunset at 19:22 EEST.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Karvounari, Greece
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.5°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average pressure in September
Karvounari, Greece
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in September
Karvounari, Greece
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Karvounari, Greece
- Average humidity in September: 64%
The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Karvounari, Greece
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is November (174mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Karvounari, Greece
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (17.1 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in September
Karvounari, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Karvounari, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Karvounari, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 30min
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 48min).
Average sunshine days in September
Karvounari, Greece
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in September
Karvounari, 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 3).
Average cloud cover in September
Karvounari, Greece
- Average cloud cover in September: 17
The months with the most cloud cover are January and February (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Karvounari, 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).





