September weather forecastKeeni, Estonia
September
Weather in September
September, the first month of the autumn in Keeni, is still a comfortable month, with an average temperature varying between 7.9°C (46.2°F) and 16.5°C (61.7°F).Temperature
As September begins, there is a decrease in the average high-temperature, falling from a pleasant 22°C (71.6°F) in August to a comfortable 16.5°C (61.7°F). An average low-temperature of 7.9°C (46.2°F) is common during the nights of September.Humidity
In Keeni, the average relative humidity in September is 82%.Rainfall
In Keeni, during September, the rain falls for 16.1 days and regularly aggregates up to 38mm (1.5") of precipitation. In Keeni, during the entire year, the rain falls for 164.3 days and collects up to 495mm (19.49") of precipitation.Snowfall
June through September are months without snowfall in Keeni.Daylight
In Keeni, the average length of the day in September is 12h and 48min.On the first day of September, sunrise is at 06:16 and sunset at 20:13. On the last day of the month, sunrise is at 07:18 and sunset at 18:51 EEST.
Sunshine
The average sunshine in September in Keeni is 7.3h.UV index
In Keeni, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keeni, Estonia
- Average high temperature in September: 16.5°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 (-3.2°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).
Average pressure in September
Keeni, Estonia
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is October (1015.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Keeni, Estonia
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Keeni, Estonia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Keeni, Estonia
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Keeni, Estonia
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Keeni, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Keeni, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Keeni, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Keeni, Estonia
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Keeni, Estonia
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Keeni, Estonia
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are May and July (Cloud cover 41).
Average visibility in September
Keeni, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
