September weather forecastGerakas, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Gerakas, Greece, with an average temperature varying between 26.7°C (80.1°F) and 20.9°C (69.6°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 30.3°C (86.5°F) in August to a moderately hot 26.7°C (80.1°F). Gerakas's nighttime temperature in September drops to an average of 20.9°C (69.6°F).Humidity
In Gerakas, Greece, the average relative humidity in September is 59%.Rainfall
In Gerakas, during September, the rain falls for 7 days and regularly aggregates up to 16mm (0.63") of precipitation. In Gerakas, during the entire year, the rain falls for 93.5 days and collects up to 308mm (12.13") of precipitation.Snowfall
In Gerakas, Greece, snow does not fall in March through December.Daylight
In Gerakas, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:54 and sunset at 19:54. On the last day of September, sunrise is at 07:19 and sunset at 19:09 EEST.
Sunshine
In Gerakas, Greece, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Take precautions - Protection against sun damage is advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gerakas, Greece
- Average high temperature in September: 26.7°C
The warmest months (with the highest average high temperature) are July and August (30.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in September: 20.9°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (7.5°C).
Average pressure in September
Gerakas, Greece
- Average pressure in September: 1014.3mbar
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
Gerakas, Greece
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is August (17.1km/h).
The calmest month (with the lowest average wind speed) is May (11.8km/h).
Average humidity in September
Gerakas, Greece
- Average humidity in September: 59%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Gerakas, Greece
- Average rainfall in September: 16mm
The wettest months (with the highest rainfall) are January and December (49mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Gerakas, Greece
- Average rainfall days in September: 7 days
The month with the highest number of rainy days is December (12.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Gerakas, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gerakas, 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, November and December (0 days).
Average daylight in September /
Average sunshine in September
Gerakas, 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 30min).
Average sunshine days in September
Gerakas, Greece
- Average sunshine days in September: 21 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in September
Gerakas, Greece
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Gerakas, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Gerakas, 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).
