September weather forecastSiatista, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Siatista, Greece, with an average temperature ranging between min 12.6°C (54.7°F) and max 23.3°C (73.9°F).Temperature
With September's onset, the weather shows a temperature decrease, transitioning from 28.4°C (83.1°F) in August to a still moderately hot 23.3°C (73.9°F). September generally records an average low-temperature of 12.6°C (54.7°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Siatista, in September, it is raining for 12.2 days, with typically 49mm (1.93") of accumulated precipitation. In Siatista, Greece, during the entire year, the rain falls for 161.4 days and collects up to 643mm (25.31") of precipitation.Snowfall
In Siatista, Greece, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 07:01 and sunset at 20:05. On the last day of the month, sunrise is at 07:29 and sunset at 19:17 EEST.
Sunshine
In Siatista, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siatista, Greece
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Siatista, Greece
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Siatista, Greece
- Average wind speed in September: 6.1km/h
The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in September
Siatista, Greece
- Average humidity in September: 64%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Siatista, Greece
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is June (73mm).
The driest month (with the least rainfall) is December (40mm).
Average rainfall days in September
Siatista, Greece
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in September
Siatista, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (165mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Siatista, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Siatista, Greece
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 6min
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 24min).
Average sunshine days in September
Siatista, Greece
- Average sunshine days in September: 15.6 days
The months with the most sunshine days are July, August and December (17.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Siatista, Greece
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Siatista, Greece
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Siatista, Greece
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, November and December (8km).
