September weather forecastPetras, Greece
September
Weather in September
September, the first month of the autumn in Petras, is still a warm month, with an average temperature fluctuating between 25.9°C (78.6°F) and 22.2°C (72°F).Temperature
Petras's September average high-temperature settles at a still warm 25.9°C (78.6°F), showing a near match with the preceding month. Petras, during the September nights, maintains an average temperature of 22.2°C (72°F), closely aligned with its daytime readings.Humidity
In Petras, the average relative humidity in September is 67%.Rainfall
Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 2.1 rainfall days, it receives 2mm (0.08") of precipitation. In Petras, during the entire year, the rain falls for 64.8 days and collects up to 119mm (4.69") of precipitation.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 06:48 and sunset at 19:42. On the last day of September, sunrise is at 07:09 and sunset at 19:00 EEST.
Sunshine
In September, the average sunshine in Petras is 11h.UV index
In Petras, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Petras, Greece
- Average high temperature in September: 25.9°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (14.2°C).
- Average low temperature in September: 22.2°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).
Average pressure in September
Petras, Greece
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in September
Petras, Greece
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).
Average humidity in September
Petras, Greece
- Average humidity in September: 67%
The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (65%).
Average rainfall in September
Petras, Greece
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is January (25mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Petras, Greece
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is December (10.4 days).
The month with the least rainy days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Petras, 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: 11h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Petras, Greece
- Average sunshine days in September: 26.9 days
The months with the most sunshine days are July and August (30.3 days).
The month with the least sunshine days is January (15.9 days).
Average UV index in September
Petras, 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, March and December (UV index 4).
Average cloud cover in September
Petras, Greece
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 2).
Average visibility in September
Petras, 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).
