September weather forecastValerianos, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Valerianos, Greece, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 25.4°C (77.7°F).Temperature
A minimal variation is noted in Valerianos's average high-temperature at the onset of September, reaching a still moderately hot 25.4°C (77.7°F) from August's 27.9°C (82.2°F). The low temperature average in Valerianos during September reflects a slight decrease to a still moderately hot 23.8°C (74.8°F) from the day's peak.Humidity
The months with the lowest humidity in Valerianos are September and December, with an average relative humidity of 68%.Rainfall
In September, in Valerianos, the rain falls for 10.8 days. Throughout September, 56mm (2.2") of precipitation is accumulated. Throughout the year, in Valerianos, there are 130.6 rainfall days, and 696mm (27.4") of precipitation is accumulated.Daylight
In Valerianos, Greece, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:07 and sunset at 20:06. On the last day of September, in Valerianos, sunrise is at 07:32 and sunset at 19:21 EEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September in Valerianos is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Fend off overexposure. Sun protection is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valerianos, Greece
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (13.9°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is August (25.8°C).
The coldest month (with the lowest average low temperature) is January (12°C).
Average pressure in September
Valerianos, Greece
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.9mbar).
Average wind speed in September
Valerianos, Greece
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is January (21.4km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Valerianos, Greece
- Average humidity in September: 68%
The month with the highest relative humidity is April (74%).
The months with the lowest relative humidity are September and December (68%).
Average rainfall in September
Valerianos, Greece
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Valerianos, Greece
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is January (17.4 days).
The month with the least rainy days is August (2.1 days).
Average daylight in September /
Average sunshine in September
Valerianos, 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: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Valerianos, Greece
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is January (11.2 days).
Average UV index in September
Valerianos, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in September
Valerianos, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Valerianos, 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).
