September weather forecastSõmera, Estonia
September
Weather in September
September, the first month of the autumn in Sõmera, is still a mild month, with an average temperature varying between 15.7°C (60.3°F) and 12.6°C (54.7°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's enjoyable 19.8°C (67.6°F) to a mild 15.7°C (60.3°F). September nights cool to an average low-temperature of 12.6°C (54.7°F), a marginal decrease from its daytime equivalent.Humidity
In September, the average relative humidity in Sõmera is 78%.Rainfall
In Sõmera, in September, it is raining for 14.4 days, with typically 43mm (1.69") of accumulated precipitation. In Sõmera, during the entire year, the rain falls for 154.4 days and collects up to 453mm (17.83") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Sõmera, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:31 and sunset at 20:30. On the last day of September, sunrise is at 07:34 and sunset at 19:07 EEST.
Sunshine
In Sõmera, the average sunshine in September is 7.7h.UV index
In Sõmera, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sõmera, Estonia
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is February (-0.1°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in September
Sõmera, Estonia
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Sõmera, Estonia
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is May (16km/h).
Average humidity in September
Sõmera, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Sõmera, Estonia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Sõmera, Estonia
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Sõmera, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (134mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sõmera, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sõmera, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Sõmera, Estonia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (4.5 days).
Average UV index in September
Sõmera, Estonia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in September
Sõmera, Estonia
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Sõmera, Estonia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is January (8km).





