September weather forecastSupa, Estonia
September
Weather in September
September, the first month of the autumn in Supa, is also an enjoyable month, with an average temperature varying between 16.5°C (61.7°F) and 7.9°C (46.2°F).Temperature
Supa's transition into September involves a shift in temperature, receding from a pleasant 22°C (71.6°F) in August to a refreshing 16.5°C (61.7°F). An average low-temperature of 7.9°C (46.2°F) is noted during the month of September.Humidity
The average relative humidity in September in Supa is 82%.Rainfall
In Supa, Estonia, during September, the rain falls for 16.1 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Supa, there are 164.3 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
In Supa, snow does not fall in June through September.Daylight
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 18:52 EEST.
Sunshine
In September, the average sunshine in Supa is 7.3h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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
Supa, 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).
