September weather forecastNisaki, Greece
September
Weather in September
September, the first month of the autumn in Nisaki, is still a warm month, with an average temperature fluctuating between 21.4°C (70.5°F) and 25°C (77°F).Temperature
During the shift to September, Nisaki records a mild decrease in average high-temperature, moving from a moderately hot 28.5°C (83.3°F) in August to a still warm 25°C (77°F). Nisaki reports an average low temperature of 21.4°C (70.5°F) in September, a minor decrease from the day's highs.Humidity
The average relative humidity in September is 65%.Rainfall
In Nisaki, in September, during 10.7 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Nisaki, during the entire year, the rain falls for 147.4 days and collects up to 888mm (34.96") of precipitation.Snowfall
In Nisaki, snow does not fall in February through December.Sea temperature
In September, the average sea temperature in Nisaki is 24°C (75.2°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°C (75.2°F) waters. (As an aside, Olympic swimming standards dictate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
In Nisaki, the average length of the day in September is 12h and 27min.On the first day of September in Nisaki, sunrise is at 07:08 and sunset at 20:11. On the last day of the month, sunrise is at 07:36 and sunset at 19:24 EEST.
Sunshine
In Nisaki, the average sunshine in September is 9.5h.UV index
In Nisaki, Greece, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Caution! The Sun's UV intensity grows with reflections off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nisaki, Greece
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (8.9°C).
Average pressure in September
Nisaki, Greece
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).
Average wind speed in September
Nisaki, Greece
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Nisaki, Greece
- Average humidity in September: 65%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Nisaki, Greece
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (197mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Nisaki, Greece
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is January (16.8 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in September
Nisaki, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Nisaki, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Nisaki, 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 (14°C).
Average daylight in September /
Average sunshine in September
Nisaki, Greece
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Nisaki, Greece
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Nisaki, 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 February and December (UV index 3).
Average cloud cover in September
Nisaki, Greece
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Nisaki, Greece
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).





