Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 31°C (87.8°F) in August to a moderately hot 27°C (80.6°F). In September, the average low-temperature records at a pleasant 20.9°C (69.6°F) during the nights.Heat index
The average heat index in September is computed to be 28°C (82.4°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for 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
In September, the average relative humidity in Korydallos is 58%.Rainfall
In Korydallos, in September, during 7.4 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Korydallos, during the entire year, the rain falls for 98.9 days and collects up to 348mm (13.7") of precipitation.Snowfall
April through December are months without snowfall in Korydallos, Greece.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:55 and sunset at 19:54. On the last day of September, in Korydallos, sunrise is at 07:20 and sunset at 19:09 EEST.
Sunshine
The average sunshine in September in Korydallos is 9.9h.UV index
In Korydallos, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 6 during September translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Korydallos?
What is the average humidity in September in Korydallos?
How much does it rain in Korydallos in September?
When it does not snow in Korydallos?
How many hours of daylight does Korydallos have in September?
When are sunrise and sunset in September in Korydallos?
How long on average sun shines in September in Korydallos?
What is the UV index reading in September in Korydallos?
Average temperature in September
Korydallos, Greece
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in September: 20.9°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average pressure in September
Korydallos, Greece
- Average pressure in September: 1014.3mbar
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
Korydallos, Greece
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).
Average humidity in September
Korydallos, Greece
- Average humidity in September: 58%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Korydallos, Greece
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Korydallos, Greece
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Korydallos, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Korydallos, 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
Korydallos, Greece
- Average daylight in September: 12h and 2min
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 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Korydallos, Greece
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in September
Korydallos, 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
Korydallos, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Korydallos, 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).
