September weather forecastAltomira, Greece
September
Weather in September
September, the first month of the autumn in Altomira, is also a moderately hot month, with an average temperature varying between 19.3°C (66.7°F) and 26.7°C (80.1°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a tropical 30.8°C (87.4°F) in August to a warm 26.7°C (80.1°F). September's nights in Altomira observe an average temperature of 19.3°C (66.7°F).Humidity
The average relative humidity in September in Altomira is 64%.Rainfall
In Altomira, Greece, during September, the rain falls for 9.3 days and regularly aggregates up to 22mm (0.87") of precipitation. In Altomira, Greece, during the entire year, the rain falls for 117.7 days and collects up to 351mm (13.82") of precipitation.Snowfall
In Altomira, Greece, snow does not fall in February through December.Daylight
The average length of the day in September in Altomira is 12h and 25min.On the first day of September in Altomira, sunrise is at 07:02 and sunset at 19:59. On the last day of the month, sunrise is at 07:25 and sunset at 19:15 EEST.
Sunshine
In Altomira, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Altomira is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altomira, Greece
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (6.7°C).
Average pressure in September
Altomira, Greece
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Altomira, Greece
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Altomira, Greece
- Average humidity in September: 64%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Altomira, Greece
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Altomira, Greece
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is January (13.3 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days in September
Altomira, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 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
Altomira, 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 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Altomira, Greece
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in September
Altomira, 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
Altomira, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Altomira, 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).





