September weather forecastRoustika, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Roustika, Greece, with temperature in the range of an average low of 22.8°C (73°F) and an average high of 25.5°C (77.9°F).Temperature
The advent of September observes an average high-temperature of a still warm 25.5°C (77.9°F), nearly identical to August's 27.1°C (80.8°F). Roustika consistently logs a low temperature averaging an agreeable 22.8°C (73°F) during September, a modest drop from daytime temperatures.Humidity
The months with the lowest humidity are May, July and September, with an average relative humidity of 67%.Rainfall
In Roustika, in September, it is raining for 4.4 days, with typically 6mm (0.24") of accumulated precipitation. Throughout the year, there are 80.6 rainfall days, and 185mm (7.28") of precipitation is accumulated.Daylight
In Roustika, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 06:55 and sunset at 19:49. On the last day of September, sunrise is at 07:16 and sunset at 19:07 EEST.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September in Roustika, Greece, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roustika, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.3°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 (11.8°C).
Average pressure in September
Roustika, Greece
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.2mbar).
Average wind speed in September
Roustika, Greece
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is May (12.4km/h).
Average humidity in September
Roustika, Greece
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are May, July and September (67%).
Average rainfall in September
Roustika, Greece
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Roustika, Greece
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is December (13.5 days).
The month with the least rainy days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Roustika, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Roustika, Greece
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is December (14.2 days).
Average UV index in September
Roustika, 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
Roustika, Greece
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Roustika, 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).
