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 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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 30.2°C (86.4°F) in August to a moderately hot 26.4°C (79.5°F). Kelefa, during September nights, observes an average temperature of 20.2°C (68.4°F).Humidity
In Kelefa, Greece, the average relative humidity in September is 64%.Rainfall
In September, in Kelefa, the rain falls for 10.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Kelefa, Greece, during the entire year, the rain falls for 127.6 days and collects up to 401mm (15.79") of precipitation.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:01 and sunset at 19:58. On the last day of September, sunrise is at 07:25 and sunset at 19:15 EEST.
Sunshine
In Kelefa, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Kelefa have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Kelefa?
What is the UV index intensity in September?
Average temperature in September
Kelefa, Greece
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 20.2°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (8°C).
Average pressure in September
Kelefa, Greece
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.4mbar).
Average wind speed in September
Kelefa, Greece
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Kelefa, Greece
- Average humidity in September: 64%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Kelefa, Greece
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is January (58mm).
The driest month (with the least rainfall) is July (12mm).
Average rainfall days in September
Kelefa, Greece
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is July (5.6 days).
Average daylight in September /
Average sunshine in September
Kelefa, 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 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Kelefa, Greece
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Kelefa, 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 and December (UV index 3).
Average cloud cover in September
Kelefa, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Kelefa, 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).
