September weather forecastNea Koroni, Greece
September
Weather in September
September, the first month of the autumn in Nea Koroni, is also a moderately hot month, with an average temperature ranging between max 25.5°C (77.9°F) and min 23.1°C (73.6°F).Temperature
September's climate shows a minor adjustment in average high-temperatures to a still moderately hot 25.5°C (77.9°F) from August's 28.3°C (82.9°F). Nea Koroni's nocturnal September readings average at a still warm 23.1°C (73.6°F), showing little variation from the daytime temperatures.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 68%.Rainfall
In September, in Nea Koroni, the rain falls for 9.4 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Nea Koroni, there are 134.9 rainfall days, and 585mm (23.03") of precipitation is accumulated.Sea temperature
In Nea Koroni, the average seawater temperature in September is 25.8°C (78.4°F).Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.
Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:03 and sunset at 20:00. On the last day of September, in Nea Koroni, sunrise is at 07:27 and sunset at 19:17 EEST.
Sunshine
In Nea Koroni, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index in Nea Koroni is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay aware! UV radiation is magnified when reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nea Koroni, Greece
- Average high temperature in September: 25.5°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 (13.9°C).
- Average low temperature in September: 23.1°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (11.3°C).
Average pressure in September
Nea Koroni, Greece
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Nea Koroni, Greece
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is January (19.8km/h).
The calmest month (with the lowest average wind speed) is August (13.5km/h).
Average humidity in September
Nea Koroni, Greece
- Average humidity in September: 68%
The months with the highest relative humidity are February, March and April (72%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Nea Koroni, Greece
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in September
Nea Koroni, Greece
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is January (18.7 days).
The month with the least rainy days is July (2.3 days).
Average sea temperature in September
Nea Koroni, Greece
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).
Average daylight in September /
Average sunshine in September
Nea Koroni, 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: 9h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Nea Koroni, Greece
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is July (27.7 days).
The months with the least sunshine days are January and February (10.3 days).
Average UV index in September
Nea Koroni, Greece
- Average UV index in September: 6
The months with the highest UV index are June, 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
Nea Koroni, Greece
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Nea Koroni, 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).
