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 sea temperature 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
Weather in September
Temperature
The advent of September signifies a minor shift to an average high-temperature of a still moderately hot 25.8°C (78.4°F), aligning closely with August. Kos, during the nights of September, averages a temperature close to its daytime high, at an agreeable 22.8°C (73°F).Humidity
In Kos, the average relative humidity in September is 66%.Rainfall
In Kos, Greece, in September, during 3.4 rainfall days, 8mm (0.31") of precipitation is typically accumulated. Throughout the year, in Kos, Greece, there are 87.4 rainfall days, and 351mm (13.82") of precipitation is accumulated.Sea temperature
In Kos, in September, the average water temperature is 24.9°C (76.8°F).Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 24.9°C (76.8°F) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September in Kos is 12h and 25min.On the first day of the month, sunrise is at 06:42 and sunset at 19:39. On the last day of September, sunrise is at 07:05 and sunset at 18:55 EEST.
Sunshine
In September, the average sunshine in Kos is 9.9h.UV index
In Kos, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.
Frequently asked questions
What is the average September temperature in Kos?
What is the average humidity in September in Kos?
How much does it rain in Kos in September?
What is the water temperature in September in Kos?
How many hours of daylight does Kos have in September?
When is the sunrise / sunset in September in Kos?
How long on average sun shines in September in Kos?
How high is the UV index in September in Kos?
Average temperature in September
Kos, Greece
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (11.1°C).
Average pressure in September
Kos, Greece
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is December (1017.6mbar).
The month with the lowest atmospheric pressure is July (1007.6mbar).
Average wind speed in September
Kos, Greece
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is January (23.7km/h).
The calmest month (with the lowest average wind speed) is May (14.4km/h).
Average humidity in September
Kos, Greece
- Average humidity in September: 66%
The months with the highest relative humidity are February, April and May (70%).
The months with the lowest relative humidity are July and October (65%).
Average rainfall in September
Kos, Greece
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (81mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Kos, Greece
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is January (13.5 days).
The month with the least rainy days is August (0.4 days).
Average sea temperature in September
Kos, Greece
- Average sea temperature in September: 24.9°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is March (16.9°C).
Average daylight in September /
Average sunshine in September
Kos, Greece
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Kos, Greece
- Average sunshine days in September: 25.5 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in September
Kos, 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 4).
Average cloud cover in September
Kos, Greece
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Kos, 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).
Kos, Greece
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