September weather forecastRitini, Greece
September
Weather in September
September, the first month of the autumn in Ritini, is still a warm month, with an average temperature varying between 25.5°C (77.9°F) and 15.8°C (60.4°F).Temperature
September's onset brings a reduction in the average high-temperature, from a hot 30.7°C (87.3°F) in August to a moderately hot 25.5°C (77.9°F). In the month of September, the temperature in Ritini generally rests at an average low of 15.8°C (60.4°F).Humidity
In September, the average relative humidity is 63%.Rainfall
In Ritini, in September, during 13 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 147.9 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
In Ritini, snow does not fall in April through October.Daylight
In September, the average length of the day in Ritini is 12h and 28min.On the first day of September, sunrise is at 06:58 and sunset at 20:02. On the last day of the month, sunrise is at 07:26 and sunset at 19:14 EEST.
Sunshine
In Ritini, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ritini, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Ritini, Greece
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Ritini, Greece
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in September
Ritini, Greece
- Average humidity in September: 63%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Ritini, Greece
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in September
Ritini, Greece
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are March and May (14.7 days).
The month with the least rainy days is December (9.1 days).
Average snowfall in September
Ritini, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ritini, 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 daylight in September /
Average sunshine in September
Ritini, Greece
- Average daylight in September: 12h and 30min
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 24min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Ritini, Greece
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Ritini, Greece
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Ritini, Greece
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Ritini, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).





