September weather forecastFolegandros, Greece
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Folegandros, Greece, with an average temperature fluctuating between 23.4°C (74.1°F) and 24.6°C (76.3°F).Temperature
September's arrival brings an average high-temperature of a still moderately hot 24.6°C (76.3°F), demonstrating subtle variation from the preceding month. In September, a low-temperature average of 23.4°C (74.1°F) is characteristic of Folegandros, marking a minor shift from daytime temperatures.Humidity
The average relative humidity in September is 73%.Rainfall
In September, the rain falls for 4.7 days. Throughout September, 9mm (0.35") of precipitation is accumulated. Throughout the year, in Folegandros, there are 96.4 rainfall days, and 265mm (10.43") of precipitation is accumulated.Sea temperature
In Folegandros, the average seawater temperature in September is 24.4°C (75.9°F).Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 24.4°C (75.9°F) waters. Olympians, for perspective, swim in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 06:51 and sunset at 19:48. On the last day of September, sunrise is at 07:15 and sunset at 19:05 EEST.
Sunshine
In Folegandros, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during September translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! Sand and water enhance the UV exposure you receive.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Folegandros, Greece
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (14.6°C).
- Average low temperature in September: 23.4°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (12.8°C).
Average pressure in September
Folegandros, Greece
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1009.6mbar).
Average wind speed in September
Folegandros, Greece
- Average wind speed in September: 22.7km/h
The windiest month (with the highest average wind speed) is January (30.1km/h).
The calmest month (with the lowest average wind speed) is June (20.6km/h).
Average humidity in September
Folegandros, Greece
- Average humidity in September: 73%
The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are January and December (70%).
Average rainfall in September
Folegandros, Greece
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is February (47mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Folegandros, Greece
- Average rainfall days in September: 4.7 days
The months with the highest number of rainy days are January and December (15.8 days).
The month with the least rainy days is August (0.8 days).
Average sea temperature in September
Folegandros, Greece
- Average sea temperature in September: 24.4°C
The best month for swimming (with the highest average sea temperature) is August (25.7°C).
The coldest month (with the lowest average sea temperature) is February (15.9°C).
Average daylight in September /
Average sunshine in September
Folegandros, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Folegandros, Greece
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is December (12.1 days).
Average UV index in September
Folegandros, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Folegandros, Greece
- Average cloud cover in September: 9
The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Folegandros, 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).
