September weather forecastGraikas, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Graikas, Greece, with an average temperature ranging between min 19°C (66.2°F) and max 27.7°C (81.9°F).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 32.3°C (90.1°F) in August to a warm 27.7°C (81.9°F). During September, Graikas's temperature averages to an enjoyable 19°C (66.2°F) at night.Heat index
During September, the heat index is estimated at 29°C (84.2°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in Graikas is 63%.Rainfall
In Graikas, in September, it is raining for 7.1 days, with typically 16mm (0.63") of accumulated precipitation. In Graikas, Greece, during the entire year, the rain falls for 104.3 days and collects up to 310mm (12.2") of precipitation.Snowfall
In Graikas, Greece, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:03 and sunset at 20:02. On the last day of September, in Graikas, sunrise is at 07:28 and sunset at 19:17 EEST.
Sunshine
In September, the average sunshine in Graikas, Greece, is 9.6h.UV index
In Graikas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 6 translates into these guidelines:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Graikas, Greece
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).
Average pressure in September
Graikas, Greece
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Graikas, Greece
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Graikas, Greece
- Average humidity in September: 63%
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Graikas, Greece
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Graikas, Greece
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is January (13.9 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in September
Graikas, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Graikas, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Graikas, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Graikas, Greece
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is January (14.7 days).
Average UV index in September
Graikas, 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 3).
Average cloud cover in September
Graikas, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Graikas, 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).
