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
In September, the average high-temperature decreases from a hot 31.7°C (89.1°F) in August to a moderately hot 26.4°C (79.5°F). In Thessaloniki, the average low-temperature is 17°C (62.6°F).Humidity
In September, the average relative humidity in Thessaloniki is 59%.Rainfall
In September, the rain falls for 9.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Thessaloniki, during the entire year, the rain falls for 133.1 days and collects up to 436mm (17.17") of precipitation.Snowfall
In Thessaloniki, snow does not fall in April through October.Sea temperature
In Thessaloniki, the average seawater temperature in September is 24.7°C (76.5°F).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.7°C (76.5°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Thessaloniki, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:55 and sunset at 20:01. On the last day of the month, sunrise is at 07:23 and sunset at 19:13 EEST.
Sunshine
The average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Thessaloniki is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
FAQ
What is the temperature in September in Thessaloniki?
What is the average humidity in September in Thessaloniki?
How much does it rain in Thessaloniki in September?
When it does not snow in Thessaloniki?
What is the sea temperature in September in Thessaloniki?
What is the average length of the day in September in Thessaloniki?
When are sunrise and sunset in September in Thessaloniki?
How many hours of sunshine does Thessaloniki have in September?
What is the UV index reading in September in Thessaloniki?
Average temperature in September
Thessaloniki, Greece
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Thessaloniki, Greece
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Thessaloniki, Greece
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (9.2km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity in September
Thessaloniki, Greece
- Average humidity in September: 59%
The months with the highest relative humidity are January and February (75%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Thessaloniki, Greece
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is March (55mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Thessaloniki, Greece
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (8.4 days).
Average snowfall in September
Thessaloniki, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Thessaloniki, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Thessaloniki, Greece
- Average sea temperature in September: 24.7°C
The best month for swimming (with the highest average sea temperature) is July (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in September /
Average sunshine in September
Thessaloniki, Greece
- Average daylight in September: 12h and 3min
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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Thessaloniki, Greece
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in September
Thessaloniki, Greece
- Average UV index in September: 5
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 2).
Average cloud cover in September
Thessaloniki, Greece
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Thessaloniki, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
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