September weather forecastKeratea, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Keratea, Greece, with an average temperature ranging between min 21.5°C (70.7°F) and max 26.7°C (80.1°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a hot 30.3°C (86.5°F) in August to a warm 26.7°C (80.1°F). An average low-temperature of 21.5°C (70.7°F) marks the month of September.Humidity
In Keratea, the average relative humidity in September is 60%.Rainfall
In Keratea, Greece, in September, during 5 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In Keratea, Greece, during the entire year, the rain falls for 76.8 days and collects up to 255mm (10.04") of precipitation.Snowfall
March through December are months without snowfall in Keratea.Daylight
In Keratea, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:54 and sunset at 19:53. On the last day of September, sunrise is at 07:19 and sunset at 19:08 EEST.
Sunshine
In September, the average sunshine is 10.1h.UV index
The average daily maximum UV index in September in Keratea, Greece, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keratea, Greece
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in September
Keratea, Greece
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in September
Keratea, Greece
- Average wind speed in September: 14.1km/h
The windiest months (with the highest average wind speed) are January and August (17km/h).
The calmest month (with the lowest average wind speed) is May (12.1km/h).
Average humidity in September
Keratea, Greece
- Average humidity in September: 60%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Keratea, Greece
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is December (50mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Keratea, Greece
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is December (10.5 days).
The month with the least rainy days is August (1.1 days).
Average snowfall in September
Keratea, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Keratea, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Keratea, 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: 10h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Keratea, Greece
- Average sunshine days in September: 24.1 days
The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is February (17 days).
Average UV index in September
Keratea, 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 and December (UV index 3).
Average cloud cover in September
Keratea, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Keratea, 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).





