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 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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 27.8°C (82°F) in August to a still warm 24.4°C (75.9°F). Throughout the nights in September, Chios notes an average low of 21.4°C (70.5°F), a small dip from the daytime peak.Humidity
In Chios, Greece, the average relative humidity in September is 68%.Rainfall
In Chios, in September, it is raining for 6.5 days, with typically 23mm (0.91") of accumulated precipitation. In Chios, Greece, during the entire year, the rain falls for 99.8 days and collects up to 453mm (17.83") of precipitation.Snowfall
In Chios, Greece, snow does not fall in March through November.Sea temperature
In Chios, Greece, in September, the average water temperature is 23°C (73.4°F).Note: Imagine a swim in 23°C (73.4°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 06:45 and sunset at 19:45. On the last day of the month, sunrise is at 07:10 and sunset at 18:59 EEST.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Frequently asked questions
What is the average September temperature in Chios?
What is the average humidity in September in Chios?
How much does it rain in Chios in September?
When it does not snow in Chios?
What is the sea temperature in September in Chios?
What is the average length of the day in September in Chios?
When is the sunrise / sunset in September in Chios?
How many hours of sunshine does Chios have in September?
How high is the UV index in September in Chios?
Average temperature in September
Chios, Greece
- Average high temperature in September: 24.4°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).
Average pressure in September
Chios, Greece
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in September
Chios, Greece
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is May (16.8km/h).
Average humidity in September
Chios, Greece
- Average humidity in September: 68%
The months with the highest relative humidity are January and February (74%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in September
Chios, Greece
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is January (81mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
Chios, Greece
- Average rainfall days in September: 6.5 days
The month with the highest number of rainy days is January (13.3 days).
The month with the least rainy days is August (1.6 days).
Average snowfall days in September
Chios, Greece
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Chios, Greece
- Average sea temperature in September: 23°C
The best month for swimming (with the highest average sea temperature) is August (24.6°C).
The coldest month (with the lowest average sea temperature) is March (15.9°C).
Average daylight in September /
Average sunshine in September
Chios, 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 30min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Chios, Greece
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is January (16.3 days).
Average UV index in September
Chios, Greece
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Chios, Greece
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 3).
Average visibility in September
Chios, 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).
Chios, Greece
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