September weather forecastGournes, Greece
September
Weather in September
September, the first month of the autumn in Gournes, is still a warm month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 25.8°C (78.4°F).Temperature
Gournes's weather in September, with an average high-temperature of a still moderately hot 25.8°C (78.4°F), subtly shifts from August's 27.6°C (81.7°F). Gournes encounters a small divergence from daytime high temperatures, averaging a low-temperature of 22.1°C (71.8°F) during September nights.Humidity
In Gournes, the average relative humidity in September is 67%.Rainfall
In Gournes, Greece, in September, during 3.5 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Gournes, during the entire year, the rain falls for 90.5 days and collects up to 244mm (9.61") of precipitation.Sea temperature
In Gournes, Greece, the average seawater temperature in September is 24°C (75.2°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24°C (75.2°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Gournes, Greece, the average length of the day in September is 12h and 24min.On the first day of September in Gournes, sunrise is at 06:51 and sunset at 19:45. On the last day of the month, sunrise is at 07:13 and sunset at 19:04 EEST.
Sunshine
In September, the average sunshine in Gournes is 10.7h.UV index
In Gournes, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Stay aware! UV radiation is magnified when reflecting off sand and water.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gournes, Greece
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (14.1°C).
- Average low temperature in September: 22.1°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (11°C).
Average pressure in September
Gournes, Greece
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is July (1009.6mbar).
Average wind speed in September
Gournes, Greece
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).
Average humidity in September
Gournes, 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 (66%).
Average rainfall in September
Gournes, Greece
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (51mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Gournes, Greece
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is December (14.2 days).
The month with the least rainy days is August (0.8 days).
Average sea temperature in September
Gournes, Greece
- Average sea temperature in September: 24°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Gournes, 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 42min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in September
Gournes, Greece
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is January (13.9 days).
Average UV index in September
Gournes, 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
Gournes, 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 2).
Average visibility in September
Gournes, 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).
