September weather forecastAssos, Greece
September
Weather in September
September, the first month of the autumn in Assos, is still a warm month, with an average temperature ranging between max 26.3°C (79.3°F) and min 17.5°C (63.5°F).Temperature
Assos in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 30.4°C (86.7°F) in August to a moderately hot 26.3°C (79.3°F). Assos, in September, experiences an average temperature of 17.5°C (63.5°F) at night.Humidity
In September, the average relative humidity is 60%.Rainfall
In Assos, in September, during 10.1 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 121.1 rainfall days, and 396mm (15.59") of precipitation is accumulated.Snowfall
In Assos, snow does not fall in April through November.Sea temperature
In Assos, in September, the average water temperature is 25°C (77°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:59 and sunset at 19:58. On the last day of September, sunrise is at 07:23 and sunset at 19:13 EEST.
Sunshine
The average sunshine in September in Assos, Greece, is 9.5h.UV index
In Assos, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Assos, Greece
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in September
Assos, Greece
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Assos, Greece
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7.6km/h).
Average humidity in September
Assos, Greece
- Average humidity in September: 60%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Assos, Greece
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is March (53mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Assos, Greece
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is February (13.3 days).
The month with the least rainy days is August (5 days).
Average snowfall in September
Assos, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is December (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Assos, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Assos, 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
Assos, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Assos, Greece
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in September
Assos, Greece
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Assos, Greece
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Assos, Greece
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).





