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 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
September reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 29.7°C (85.5°F) in August to a still warm 26.3°C (79.3°F). During September, Porto Cheli records a consistent average nighttime temperature of 21.2°C (70.2°F).Humidity
The average relative humidity in September in Porto Cheli is 62%.Rainfall
In Porto Cheli, during September, the rain falls for 8.4 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 95.8 rainfall days, and 262mm (10.31") of precipitation is accumulated.Snowfall
In Porto Cheli, snow does not fall in March through November.Sea temperature
In September, the average sea temperature is 25.4°C (77.7°F).Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.
Daylight
In Porto Cheli, the average length of the day in September is 12h and 25min.On the first day of September in Porto Cheli, sunrise is at 06:58 and sunset at 19:56. On the last day of the month, sunrise is at 07:22 and sunset at 19:12 EEST.
Sunshine
In September, the average sunshine in Porto Cheli, Greece, is 9.8h.UV index
In Porto Cheli, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! Sand and water increase UV exposure due to their reflective properties.
Frequently asked questions
What are the temperatures in Porto Cheli in September?
What is the average humidity in September in Porto Cheli?
How much does it rain in Porto Cheli in September?
When it does not snow in Porto Cheli?
How warm is the water in September in Porto Cheli?
How many hours of daylight does Porto Cheli have in September?
What time are sunrise and sunset in September in Porto Cheli?
How long on average sun shines in September in Porto Cheli?
How high is the UV index in September in Porto Cheli?
Average temperature in September
Porto Cheli, Greece
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in September: 21.2°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure in September
Porto Cheli, 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 (1011.3mbar).
Average wind speed in September
Porto Cheli, Greece
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).
Average humidity in September
Porto Cheli, Greece
- Average humidity in September: 62%
The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Porto Cheli, Greece
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (36mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in September
Porto Cheli, Greece
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is January (10.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Porto Cheli, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Porto Cheli, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 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
Porto Cheli, Greece
- Average sea temperature in September: 25.4°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in September /
Average sunshine in September
Porto Cheli, Greece
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
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: 6h and 6min).
Average sunshine days in September
Porto Cheli, Greece
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is January (16.5 days).
Average UV index in September
Porto Cheli, 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 and December (UV index 3).
Average cloud cover in September
Porto Cheli, Greece
- Average cloud cover in September: 15
The months with the most cloud cover are January and February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Porto Cheli, 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).
Porto Cheli, Greece
Weather forecast for your location
2. Allow the app to use your location
