September weather forecastRiuma, Estonia
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Riuma, Estonia, with an average temperature fluctuating between 16.1°C (61°F) and 7.9°C (46.2°F).Temperature
September's onset brings a reduction in the average high-temperature, from a pleasant 21.7°C (71.1°F) in August to an enjoyable 16.1°C (61°F). Riuma's nighttime temperature in September drops to an average of 7.9°C (46.2°F).Humidity
In Riuma, the average relative humidity in September is 83%.Rainfall
In Riuma, in September, it is raining for 15.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 161.5 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:16 and sunset at 20:15. On the last day of September, in Riuma, sunrise is at 07:19 and sunset at 18:52 EEST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riuma, Estonia
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).
Average pressure in September
Riuma, Estonia
- Average pressure in September: 1014.6mbar
The months with the highest atmospheric pressure are May and October (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in September
Riuma, Estonia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Riuma, Estonia
- Average humidity in September: 83%
The month with the highest relative humidity is February (94%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Riuma, Estonia
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Riuma, Estonia
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Riuma, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (223mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riuma, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Riuma, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Riuma, Estonia
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (14 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in September
Riuma, 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
Riuma, Estonia
- Average cloud cover in September: 56
The month with the most cloud cover is December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Riuma, 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).
