September weather forecastAria, Greece
September
Weather in September
September, the first month of the autumn in Aria, is also a moderately hot month, with an average temperature varying between 17.5°C (63.5°F) and 26.3°C (79.3°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from a tropical 30.4°C (86.7°F) in August to a warm 26.3°C (79.3°F). During September, Aria's temperature averages to a refreshing 17.5°C (63.5°F) at night.Humidity
In September, the average relative humidity is 60%.Rainfall
In Aria, 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
April through November are months without snowfall.Daylight
In Aria, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 06:59 and sunset at 19:57. On the last day of the month, sunrise is at 07:23 and sunset at 19:13 EEST.
Sunshine
In Aria, the average sunshine in September is 9.5h.UV index
In Aria, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aria, 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
Aria, 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
Aria, 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
Aria, 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
Aria, 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
Aria, 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
Aria, 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
Aria, 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 daylight in September /
Average sunshine in September
Aria, 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: 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
Aria, 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
Aria, 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
Aria, 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
Aria, 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).





