September weather forecastLavrio, Greece
September
Weather in September
September, the first month of the autumn in Lavrio, is still a warm month, with an average temperature ranging between max 26.7°C (80.1°F) and min 21.5°C (70.7°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a hot 30.3°C (86.5°F) to a warm 26.7°C (80.1°F). Nighttime temperature in Lavrio experiences an average drop to an agreeable 21.5°C (70.7°F) in September.Humidity
In September, the average relative humidity in Lavrio, Greece, is 60%.Rainfall
In September, in Lavrio, the rain falls for 5 days. Throughout September, 12mm (0.47") of precipitation is accumulated. Throughout the year, there are 76.8 rainfall days, and 255mm (10.04") of precipitation is accumulated.Snowfall
In Lavrio, snow does not fall in March through December.Sea temperature
In Lavrio, the average seawater temperature in September is 24.8°C (76.6°F).Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 24.8°C (76.6°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September in Lavrio is 12h and 26min.On the first day of September, sunrise is at 06:54 and sunset at 19:52. On the last day of the month, sunrise is at 07:18 and sunset at 19:08 EEST.
Sunshine
In September, the average sunshine in Lavrio is 10.1h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lavrio, Greece
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average pressure in September
Lavrio, Greece
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in September
Lavrio, Greece
- Average wind speed in September: 14.1km/h
The windiest months (with the highest average wind speed) are January and August (17km/h).
The calmest month (with the lowest average wind speed) is May (12.1km/h).
Average humidity in September
Lavrio, Greece
- Average humidity in September: 60%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Lavrio, Greece
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is December (50mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Lavrio, Greece
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is December (10.5 days).
The month with the least rainy days is August (1.1 days).
Average snowfall in September
Lavrio, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Lavrio, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
Lavrio, Greece
- Average sea temperature in September: 24.8°C
The best month for swimming (with the highest average sea temperature) is August (26.1°C).
The coldest month (with the lowest average sea temperature) is February (15.1°C).
Average daylight in September /
Average sunshine in September
Lavrio, Greece
- Average daylight in September: 12h and 24min
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: 10h and 6min
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: 5h and 48min).
Average sunshine days in September
Lavrio, Greece
- Average sunshine days in September: 24.1 days
The months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is February (17 days).
Average UV index in September
Lavrio, 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
Lavrio, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Lavrio, 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).
