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
September indicates a shift in the average high-temperature, from August's warm 23.8°C (74.8°F) to a refreshing 18.3°C (64.9°F). Jonionys's nighttime temperature in September drops to an average of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Jonionys, in September, during 14.2 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Jonionys, during the entire year, the rain falls for 169.3 days and collects up to 487mm (19.17") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Jonionys is 12h and 42min.On the first day of September, sunrise is at 06:32 and sunset at 20:14. On the last day of the month, sunrise is at 07:24 and sunset at 19:02 EEST.
Sunshine
The average sunshine in September in Jonionys is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in September translates into these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Jonionys?
What is the average humidity in September in Jonionys?
How much does it rain in Jonionys in September?
When it does not snow in Jonionys?
Does it snow in Jonionys in September?
How many hours of daylight does Jonionys have in September?
When is the sunrise / sunset in September in Jonionys?
How many hours of sunshine does Jonionys have in September?
What is the UV index reading in September in Jonionys?
Average temperature in September
Jonionys, Lithuania
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 9.3°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°C).
Average pressure in September
Jonionys, Lithuania
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1012.9mbar).
Average wind speed in September
Jonionys, Lithuania
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Jonionys, Lithuania
- Average humidity in September: 77%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Jonionys, Lithuania
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (64mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in September
Jonionys, Lithuania
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Jonionys, Lithuania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (150mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jonionys, Lithuania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jonionys, Lithuania
- Average daylight in September: 12h and 4min
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 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).
Average sunshine days in September
Jonionys, Lithuania
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Jonionys, 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
Jonionys, Lithuania
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Jonionys, Lithuania
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
