September weather forecastGónnoi, Greece
September
Weather in September
September, the first month of the autumn in Gónnoi, is also a moderately hot month, with an average temperature fluctuating between 26.9°C (80.4°F) and 16.5°C (61.7°F).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a tropical 31.8°C (89.2°F) in August to a warm 26.9°C (80.4°F). In Gónnoi, September nights cool down to an average of 16.5°C (61.7°F).Humidity
In September, the average relative humidity in Gónnoi is 59%.Rainfall
In September, in Gónnoi, the rain falls for 12.6 days. Throughout September, 43mm (1.69") of precipitation is accumulated. In Gónnoi, during the entire year, the rain falls for 144.4 days and collects up to 454mm (17.87") of precipitation.Snowfall
April through November are months without snowfall in Gónnoi.Daylight
In Gónnoi, the average length of the day in September is 12h and 27min.On the first day of September in Gónnoi, sunrise is at 06:58 and sunset at 20:01. On the last day of the month, sunrise is at 07:25 and sunset at 19:14 EEST.
Sunshine
In September, the average sunshine in Gónnoi is 9.3h.UV index
In Gónnoi, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gónnoi, Greece
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is July (32°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in September
Gónnoi, Greece
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1012.6mbar).
Average wind speed in September
Gónnoi, Greece
- Average wind speed in September: 6.4km/h
The windiest months (with the highest average wind speed) are February, March and May (7.4km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Gónnoi, Greece
- Average humidity in September: 59%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Gónnoi, Greece
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is March (47mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in September
Gónnoi, Greece
- Average rainfall days in September: 12.6 days
The months with the highest number of rainy days are May and June (14.9 days).
The month with the least rainy days is December (9.4 days).
Average snowfall in September
Gónnoi, Greece
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (27mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gónnoi, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Gónnoi, 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 18min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Gónnoi, Greece
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Gónnoi, Greece
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Gónnoi, Greece
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Gónnoi, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
