September weather forecastPoseidonia, Greece
September
Weather in September
September, the first month of the autumn in Poseidonia, is still a warm month, with an average temperature varying between 22.8°C (73°F) and 24.2°C (75.6°F).Temperature
The average high-temperature during September registers at a still moderately hot 24.2°C (75.6°F), maintaining a close resemblance to the previous month. In Poseidonia, the month of September records an average minimum temperature of 22.8°C (73°F), a slight dip from the daily highs.Humidity
In September, the average relative humidity is 73%.Rainfall
In Poseidonia, in September, it is raining for 4.4 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, in Poseidonia, Greece, there are 93 rainfall days, and 255mm (10.04") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Poseidonia, sunrise is at 06:51 and sunset at 19:49. On the last day of the month, sunrise is at 07:15 and sunset at 19:05 EEST.
Sunshine
In Poseidonia, the average sunshine in September is 10.7h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poseidonia, Greece
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).
Average pressure in September
Poseidonia, Greece
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in September
Poseidonia, Greece
- Average wind speed in September: 24.3km/h
The windiest month (with the highest average wind speed) is January (30km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).
Average humidity in September
Poseidonia, Greece
- Average humidity in September: 73%
The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in September
Poseidonia, Greece
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (53mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Poseidonia, Greece
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Poseidonia, 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: 10h and 42min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Poseidonia, Greece
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (12.4 days).
Average UV index in September
Poseidonia, Greece
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Poseidonia, Greece
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Poseidonia, 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).
