Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
In Kato Vlasia, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's tropical 30.9°C (87.6°F) to a warm 26.2°C (79.2°F). During September nights, Kato Vlasia witnesses a consistent average temperature of 16.7°C (62.1°F).Humidity
In Kato Vlasia, the average relative humidity in September is 64%.Rainfall
In Kato Vlasia, during September, the rain falls for 11.1 days and regularly aggregates up to 35mm (1.38") of precipitation. In Kato Vlasia, during the entire year, the rain falls for 145.4 days and collects up to 585mm (23.03") of precipitation.Snowfall
March through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:02 and sunset at 20:01. On the last day of September, sunrise is at 07:27 and sunset at 19:16 EEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Kato Vlasia?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Kato Vlasia have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Kato Vlasia have in September?
How high is the UV index in September?
Average temperature in September
Kato Vlasia, Greece
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (10.3°C).
- Average low temperature in September: 16.7°C
The month with the highest average low temperature is August (20°C).
The coldest month (with the lowest average low temperature) is January (4°C).
Average pressure in September
Kato Vlasia, Greece
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1012mbar).
Average wind speed in September
Kato Vlasia, Greece
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is July (7.3km/h).
Average humidity in September
Kato Vlasia, Greece
- Average humidity in September: 64%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Kato Vlasia, Greece
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is January (100mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Kato Vlasia, Greece
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in September
Kato Vlasia, 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
Kato Vlasia, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 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
Kato Vlasia, Greece
- Average daylight in September: 12h and 2min
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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Kato Vlasia, Greece
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is August (23.6 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Kato Vlasia, Greece
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Kato Vlasia, Greece
- Average cloud cover in September: 16
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Kato Vlasia, Greece
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
