September weather forecastIlioupoli, Greece
September
Weather in September
September, the first month of the autumn in Ilioupoli, is also a moderately hot month, with an average temperature fluctuating between 26.9°C (80.4°F) and 21.6°C (70.9°F).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 30.3°C (86.5°F) in August to a warm 26.9°C (80.4°F). In September, Ilioupoli experiences a temperature dip to an average of 21.6°C (70.9°F) at night.Humidity
The average relative humidity in September in Ilioupoli is 60%.Rainfall
In September, in Ilioupoli, the rain falls for 5.2 days. Throughout September, 12mm (0.47") of precipitation is accumulated. In Ilioupoli, during the entire year, the rain falls for 77 days and collects up to 255mm (10.04") of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:55 and sunset at 19:54. On the last day of September, in Ilioupoli, sunrise is at 07:20 and sunset at 19:09 EEST.
Sunshine
In Ilioupoli, Greece, the average sunshine in September is 10h.UV index
In September, the average daily maximum UV index in Ilioupoli is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ilioupoli, Greece
- Average high temperature in September: 26.9°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: 21.6°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
Ilioupoli, Greece
- Average pressure in September: 1014.2mbar
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
Ilioupoli, Greece
- Average wind speed in September: 14.2km/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
Ilioupoli, 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
Ilioupoli, 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
Ilioupoli, Greece
- Average rainfall days in September: 5.2 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
Ilioupoli, 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
Ilioupoli, 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
Ilioupoli, 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: 10h and 0min
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
Ilioupoli, Greece
- Average sunshine days in September: 24 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
Ilioupoli, 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
Ilioupoli, Greece
- Average cloud cover in September: 13
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
Ilioupoli, 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).





