September weather forecastAlytus, Lithuania
September
Weather in September
September in Alytus heralds the start of autumn. A noticeable drop in temperature, with highs around 17.8°C (64°F), signals the shift from summer to autumn. Early autumn in Alytus is particularly picturesque, with falling leaves painting the city in hues of gold and rust. Although the number of sunshine hours decrease, the city still experiences considerable daylight. Autumn drizzle pervades throughout the month, yet the beauty of Alytus in fall is a sight to behold.Temperature
A moderate decline in the average high-temperature is seen in Alytus during September, decreasing from a moderately hot 23.2°C (73.8°F) in August to a comfortable 17.8°C (64°F). Alytus observes an average nighttime temperature of 9°C (48.2°F) during September.Humidity
In Alytus, the average relative humidity in September is 78%.Rainfall
In Alytus, during September, the rain falls for 13.1 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Alytus, there are 160 rainfall days, and 449mm (17.68") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Alytus, Lithuania.Daylight
In Alytus, the average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 06:32 and sunset at 20:15. On the last day of the month, sunrise is at 07:25 and sunset at 19:02 EEST.
Sunshine
The average sunshine in September in Alytus is 7.9h.UV index
In September, the average daily maximum UV index in Alytus, Lithuania, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September translates into the following guidance:
Take precautions - Protection against sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alytus, Lithuania
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).
Average pressure in September
Alytus, Lithuania
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1012.8mbar).
Average wind speed in September
Alytus, Lithuania
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Alytus, Lithuania
- Average humidity in September: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Alytus, Lithuania
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in September
Alytus, Lithuania
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Alytus, Lithuania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alytus, Lithuania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alytus, Lithuania
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in September
Alytus, Lithuania
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Alytus, Lithuania
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Alytus, Lithuania
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Alytus, Lithuania
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
