September weather forecastGelanthi, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Gelanthi, Greece, with an average temperature fluctuating between 26.2°C (79.2°F) and 14.5°C (58.1°F).Temperature
September brings a drop in Gelanthi's average high-temperature, falling from a hot 31.4°C (88.5°F) in August to a warm 26.2°C (79.2°F). An average temperature of 14.5°C (58.1°F) is recorded during the nights in September.Humidity
The average relative humidity in September is 60%.Rainfall
In Gelanthi, in September, it is raining for 11.7 days, with typically 35mm (1.38") of accumulated precipitation. In Gelanthi, during the entire year, the rain falls for 155.6 days and collects up to 538mm (21.18") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Gelanthi, sunrise is at 07:01 and sunset at 20:04. On the last day of the month, sunrise is at 07:28 and sunset at 19:17 EEST.
Sunshine
In September, the average sunshine is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gelanthi, Greece
- Average high temperature in September: 26.2°C
The warmest months (with the highest average high temperature) are July and August (31.4°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is August (17.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Gelanthi, Greece
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed in September
Gelanthi, Greece
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is May (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.3km/h).
Average humidity in September
Gelanthi, Greece
- Average humidity in September: 60%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Gelanthi, Greece
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is March (58mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in September
Gelanthi, Greece
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is August (9.3 days).
Average snowfall in September
Gelanthi, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gelanthi, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gelanthi, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Gelanthi, Greece
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Gelanthi, 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
Gelanthi, Greece
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Gelanthi, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).





