September weather forecastThermi, Greece
September
Weather in September
September, the first month of the autumn in Thermi, is still a warm month, with an average temperature varying between 17.9°C (64.2°F) and 26.3°C (79.3°F).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 31.1°C (88°F) in August to a warm 26.3°C (79.3°F). In the month of September, an average of 17.9°C (64.2°F) marks the low-temperature.Humidity
The average relative humidity in September in Thermi is 60%.Rainfall
In Thermi, Greece, during September, the rain falls for 9 days and regularly aggregates up to 22mm (0.87") of precipitation. In Thermi, during the entire year, the rain falls for 123.6 days and collects up to 346mm (13.62") of precipitation.Snowfall
April through December are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:55 and sunset at 19:59. On the last day of September, in Thermi, sunrise is at 07:23 and sunset at 19:11 EEST.
Sunshine
In Thermi, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Take precautions - Protection against sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thermi, Greece
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 17.9°C
The month with the highest average low temperature is August (21.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Thermi, Greece
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Thermi, Greece
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (10.5km/h).
The calmest month (with the lowest average wind speed) is November (8.4km/h).
Average humidity in September
Thermi, Greece
- Average humidity in September: 60%
The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Thermi, Greece
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is March (41mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Thermi, Greece
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is June (13.4 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in September
Thermi, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Thermi, Greece
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Thermi, Greece
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Thermi, Greece
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in September
Thermi, Greece
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Thermi, Greece
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in September
Thermi, Greece
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
