Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The arrival of September signals a shift in temperature, down from a warm 23.2°C (73.8°F) in August to a comfortable 17.8°C (64°F). Throughout September, an average low-temperature of 9°C (48.2°F) is expected.Humidity
In Aristava, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 146.6 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Aristava, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 06:30 and sunset at 20:16. On the last day of the month, sunrise is at 07:25 and sunset at 19:01 EEST.
Sunshine
The average sunshine in September in Aristava is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Aristava have in September?
What is the UV index reading in September?
Average temperature in September
Aristava, Lithuania
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is July (23.4°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 (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).
Average pressure in September
Aristava, Lithuania
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.5mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in September
Aristava, Lithuania
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Aristava, Lithuania
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Aristava, Lithuania
- Average rainfall in September: 32mm
The wettest months (with the highest rainfall) are July and August (57mm).
The driest months (with the least rainfall) are February and April (16mm).
Average rainfall days in September
Aristava, Lithuania
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Aristava, Lithuania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (89mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Aristava, Lithuania
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Aristava, Lithuania
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 18min).
Average sunshine days in September
Aristava, Lithuania
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in September
Aristava, Lithuania
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Aristava, Lithuania
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Aristava, 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).
