September weather forecastAlimos, Greece
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Alimos, Greece, with an average temperature ranging between min 21.5°C (70.7°F) and max 26.7°C (80.1°F).The perfect water temperature of 25°C (77°F) with 12mm (0.47") of accumulated rainfall and only 5 rainfall days, makes September a great period for swimming and other water activities.
Temperature
In Alimos, the average high-temperature in September gently drops from a hot 30.3°C (86.5°F) in August to a moderately hot 26.7°C (80.1°F). September witnesses an average nighttime temperature of 21.5°C (70.7°F) in Alimos, Greece.Humidity
In Alimos, the average relative humidity in September is 60%.Rainfall
In Alimos, during September, the rain falls for 5 days and regularly aggregates up to 12mm (0.47") of precipitation. In Alimos, during the entire year, the rain falls for 76.8 days and collects up to 255mm (10.04") of precipitation.Snowfall
In Alimos, snow does not fall in March through December.Sea temperature
In Alimos, the average seawater temperature in September is 25°C (77°F).Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.
Daylight
In Alimos, 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 Alimos, sunrise is at 07:20 and sunset at 19:09 EEST.
Sunshine
In Alimos, Greece, the average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alimos, Greece
- Average high temperature in September: 26.7°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: 21.5°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
Alimos, 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
Alimos, Greece
- Average wind speed in September: 14.1km/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
Alimos, 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
Alimos, 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
Alimos, Greece
- Average rainfall days in September: 5 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
Alimos, 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
Alimos, 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 sea temperature in September
Alimos, Greece
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in September /
Average sunshine in September
Alimos, 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 6min
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
Alimos, Greece
- Average sunshine days in September: 24.1 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
Alimos, 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
Alimos, Greece
- Average cloud cover in September: 14
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
Alimos, 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).
