September weather forecastSteni Vala, Greece
September
Weather in September
September, the first month of the autumn in Steni Vala, is still a warm month, with an average temperature ranging between min 22.1°C (71.8°F) and max 24.3°C (75.7°F).Temperature
The advent of September brings an average high-temperature of a still warm 24.3°C (75.7°F), exhibiting minor difference from the previous month. With a barely noticeable fluctuation in temperature, Steni Vala reaches an average low of 22.1°C (71.8°F) during the September nights.Humidity
July through September, with an average relative humidity of 66%, are the least humid months.Rainfall
In Steni Vala, in September, it is raining for 10.8 days, with typically 49mm (1.93") of accumulated precipitation. In Steni Vala, Greece, during the entire year, the rain falls for 133.4 days and collects up to 511mm (20.12") of precipitation.Snowfall
In Steni Vala, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 06:53 and sunset at 19:54. On the last day of the month, sunrise is at 07:19 and sunset at 19:08 EEST.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Steni Vala, Greece
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 22.1°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (9.3°C).
Average pressure in September
Steni Vala, Greece
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Steni Vala, Greece
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is February (20.7km/h).
The calmest months (with the lowest average wind speed) are June and July (13.1km/h).
Average humidity in September
Steni Vala, Greece
- Average humidity in September: 66%
The months with the highest relative humidity are January, February and November (71%).
The months with the lowest relative humidity are July, August and September (66%).
Average rainfall in September
Steni Vala, Greece
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is February (62mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Steni Vala, Greece
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in September
Steni Vala, 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
Steni Vala, 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 daylight in September /
Average sunshine in September
Steni Vala, Greece
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Steni Vala, Greece
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in September
Steni Vala, 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, February and December (UV index 3).
Average cloud cover in September
Steni Vala, Greece
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Steni Vala, 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).





