September weather forecastKiotari, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Kiotari, Greece, with an average temperature varying between 23.8°C (74.8°F) and 27.1°C (80.8°F).An excellent water temperature of 25°C (77°F) and only 3.2 rainfall days, with 9mm (0.35") of accumulated rainfall, makes September a prime for swimming and other water activities.
Temperature
Kiotari experiences a transition to a still warm 27.1°C (80.8°F) in average high-temperatures with the arrival of September, not greatly differing from August's 29.8°C (85.6°F). September nights in Kiotari, Greece, experience a minor temperature downturn to a still warm 23.8°C (74.8°F).Heat index
The heat index value during September is evaluated at 29°C (84.2°F). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
September through November, with an average relative humidity of 66%, are the least humid months.Rainfall
In September, the rain falls for 3.2 days. Throughout September, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 89.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.Sea temperature
August and September, with an average sea temperature of 25°C (77°F), are months with the warmest seawater in Kiotari.Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and other activities, ensuring comfort and enjoyment for lengthened periods.
Daylight
In September, the average length of the day in Kiotari is 12h and 25min.On the first day of September, sunrise is at 06:40 and sunset at 19:35. On the last day of the month, sunrise is at 07:02 and sunset at 18:53 EEST.
Sunshine
In September, the average sunshine is 11.5h.UV index
In Kiotari, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiotari, Greece
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (14.7°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is August (25.5°C).
The coldest month (with the lowest average low temperature) is January (12.5°C).
Average pressure in September
Kiotari, Greece
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is December (1017.3mbar).
The month with the lowest atmospheric pressure is July (1007mbar).
Average wind speed in September
Kiotari, Greece
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is February (22.2km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).
Average humidity in September
Kiotari, Greece
- Average humidity in September: 66%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are September, October and November (66%).
Average rainfall in September
Kiotari, Greece
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is December (88mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in September
Kiotari, Greece
- Average rainfall days in September: 3.2 days
The month with the highest number of rainy days is January (15 days).
The month with the least rainy days is July (0.2 days).
Average sea temperature in September
Kiotari, Greece
- Average sea temperature in September: 25°C
The best months for swimming (with the highest average sea temperature) are August and September (25°C).
The coldest months (with the lowest average sea temperature) are February and March (16°C).
Average daylight in September /
Average sunshine in September
Kiotari, Greece
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Kiotari, Greece
- Average sunshine days in September: 26.4 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Kiotari, Greece
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in September
Kiotari, Greece
- Average cloud cover in September: 6
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 2).
Average visibility in September
Kiotari, 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).
