September weather forecastMonemvasia, Greece
September
Weather in September
The first month of the autumn, September, is still a warm month in Monemvasia, Greece, with an average temperature fluctuating between 20.2°C (68.4°F) and 26.4°C (79.5°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a tropical 30.2°C (86.4°F) in August to a warm 26.4°C (79.5°F). The month of September records an average low-temperature of 20.2°C (68.4°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Monemvasia, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 127.6 rainfall days, and 401mm (15.79") of precipitation is accumulated.Sea temperature
In Monemvasia, Greece, in September, the average water temperature is 24°C (75.2°F).Note: When thinking about a swim in 24°C (75.2°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
The average length of the day in September in Monemvasia, Greece, is 12h and 25min.On the first day of the month, sunrise is at 06:59 and sunset at 19:56. On the last day of September, sunrise is at 07:22 and sunset at 19:12 EEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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 sea temperature in September
Monemvasia, Greece
- Average sea temperature in September: 24°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Monemvasia, Greece
- Average daylight in September: 12h and 24min
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 36min
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
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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
Monemvasia, 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).





