September weather forecastArethousa, Greece
September
Weather in September
September, the first month of the autumn in Arethousa, is also a moderately hot month, with an average temperature fluctuating between 26.5°C (79.7°F) and 14.7°C (58.5°F).Temperature
September's onset brings a slight change in high-temperatures, falling from a hot 32.3°C (90.1°F) in August to a warm 26.5°C (79.7°F). September in Arethousa, Greece, generally records an average low-temperature of 14.7°C (58.5°F).Humidity
In Arethousa, the average relative humidity in September is 59%.Rainfall
In Arethousa, in September, during 8.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Arethousa, during the entire year, the rain falls for 124.6 days and collects up to 419mm (16.5") of precipitation.Snowfall
April through November are months without snowfall in Arethousa.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 06:53 and sunset at 19:57. On the last day of the month, sunrise is at 07:21 and sunset at 19:09 EEST.
Sunshine
In Arethousa, the average sunshine in September is 10h.UV index
In Arethousa, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arethousa, Greece
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Arethousa, Greece
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Arethousa, Greece
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Arethousa, Greece
- Average humidity in September: 59%
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Arethousa, Greece
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in September
Arethousa, Greece
- Average rainfall days in September: 8.8 days
The months with the highest number of rainy days are March and April (13.3 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Arethousa, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Arethousa, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.8 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
Arethousa, Greece
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Arethousa, Greece
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Arethousa, Greece
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Arethousa, Greece
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Arethousa, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
