September weather forecastMegara, Greece
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Megara, Greece, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 27.2°C (81°F).Temperature
Megara's September weather shows a modest shift in high-temperatures, falling from August's tropical 30.8°C (87.4°F) to a moderately hot 27.2°C (81°F). Throughout the month of September, Megara observes an average nighttime temperature of 21°C (69.8°F).Heat index
The heat index for September is evaluated at 28°C (82.4°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in Megara is 58%.Rainfall
In September, the rain falls for 7.3 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Megara, during the entire year, the rain falls for 88.8 days and collects up to 263mm (10.35") of precipitation.Snowfall
In Megara, snow does not fall in April through November.Daylight
In September, the average length of the day in Megara is 12h and 26min.On the first day of September, sunrise is at 06:56 and sunset at 19:56. On the last day of the month, sunrise is at 07:21 and sunset at 19:11 EEST.
Sunshine
In Megara, the average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Megara, Greece
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in September: 21°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).
Average pressure in September
Megara, Greece
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).
Average wind speed in September
Megara, Greece
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is August (15.7km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity in September
Megara, Greece
- Average humidity in September: 58%
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (50%).
Average rainfall in September
Megara, Greece
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Megara, Greece
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is March (9.9 days).
The month with the least rainy days is August (2 days).
Average snowfall in September
Megara, Greece
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Megara, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 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
Megara, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Megara, Greece
- Average sunshine days in September: 21 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (16.3 days).
Average UV index in September
Megara, Greece
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Megara, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Megara, 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).
