September weather forecastPetriti, Greece
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Petriti, Greece, with an average temperature varying between 25.2°C (77.4°F) and 22°C (71.6°F).Temperature
Petriti's progression into September involves a gentle drop in the average high-temperature, from 28.3°C (82.9°F) in August to a still warm 25.2°C (77.4°F). Petriti records a slight downturn in temperature to an average of 22°C (71.6°F) during September nights.Humidity
In Petriti, the average relative humidity in September is 65%.Rainfall
In Petriti, during September, the rain falls for 10.5 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, in Petriti, there are 134.3 rainfall days, and 803mm (31.61") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 07:08 and sunset at 20:10. On the last day of September, in Petriti, sunrise is at 07:35 and sunset at 19:24 EEST.
Sunshine
In September, the average sunshine in Petriti is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Petriti, Greece
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.4°C).
Average pressure in September
Petriti, Greece
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Petriti, Greece
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Petriti, Greece
- Average humidity in September: 65%
The months with the highest relative humidity are March, April and May (71%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Petriti, Greece
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is November (170mm).
The driest month (with the least rainfall) is August (8mm).
Average rainfall days in September
Petriti, Greece
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is August (3.8 days).
Average daylight in September /
Average sunshine in September
Petriti, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 30min
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 54min).
Average sunshine days in September
Petriti, Greece
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in September
Petriti, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Petriti, Greece
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Petriti, 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).
