September weather forecastPotamia, Greece
September
Weather in September
September, the first month of the autumn in Potamia, is also a moderately hot month, with an average temperature varying between 20.1°C (68.2°F) and 24.1°C (75.4°F).Temperature
September signifies a gentle decline in Potamia's average high-temperature, easing from 28.1°C (82.6°F) in August to a still warm 24.1°C (75.4°F). During September, Potamia's nights hold steady with an average temperature of 20.1°C (68.2°F), barely dropping from the daytime highs.Humidity
In Potamia, the average relative humidity in September is 63%.Rainfall
In Potamia, during September, the rain falls for 9 days and regularly aggregates up to 27mm (1.06") of precipitation. In Potamia, during the entire year, the rain falls for 121.2 days and collects up to 389mm (15.31") of precipitation.Snowfall
In Potamia, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:48 and sunset at 19:53. On the last day of September, sunrise is at 07:17 and sunset at 19:04 EEST.
Sunshine
In Potamia, the average sunshine in September is 10.4h.UV index
In Potamia, Greece, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Potamia, Greece
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is January (6.2°C).
Average pressure in September
Potamia, Greece
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in September
Potamia, Greece
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is June (11km/h).
Average humidity in September
Potamia, Greece
- Average humidity in September: 63%
The months with the highest relative humidity are February, March and November (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Potamia, Greece
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Potamia, Greece
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in September
Potamia, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Potamia, 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
Potamia, 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 24min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Potamia, Greece
- Average sunshine days in September: 19 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Potamia, Greece
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Potamia, Greece
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Potamia, 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).





