September weather forecastAstros, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Astros, Greece, with an average temperature fluctuating between 16°C (60.8°F) and 26.2°C (79.2°F).Temperature
In September, the average high-temperature marginally drops from a hot 30.8°C (87.4°F) in August to a moderately hot 26.2°C (79.2°F). During the nights in September, an average low-temperature of 16°C (60.8°F) is observed in Astros.Humidity
In September, the average relative humidity in Astros is 62%.Rainfall
In Astros, in September, during 12.4 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, there are 148.3 rainfall days, and 654mm (25.75") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Astros.Daylight
In Astros, Greece, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 06:59 and sunset at 19:58. On the last day of September, sunrise is at 07:24 and sunset at 19:13 EEST.
Sunshine
In Astros, the average sunshine in September is 9.3h.UV index
In Astros, Greece, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Astros, Greece
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in September: 16°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in September
Astros, Greece
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.5mbar).
Average wind speed in September
Astros, Greece
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in September
Astros, Greece
- Average humidity in September: 62%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Astros, Greece
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is January (90mm).
The driest months (with the least rainfall) are July and August (23mm).
Average rainfall days in September
Astros, Greece
- Average rainfall days in September: 12.4 days
The months with the highest number of rainy days are January and March (15.3 days).
The months with the least rainy days are July and August (7.1 days).
Average snowfall in September
Astros, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (134mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Astros, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Astros, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Astros, Greece
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Astros, Greece
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Astros, Greece
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Astros, 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, February and December (8km).





