September weather forecastRahniku, Estonia
September
Weather in September
The first month of the autumn, September, is still a mild month in Rahniku, Estonia, with an average temperature varying between 15.7°C (60.3°F) and 12.6°C (54.7°F).Temperature
The average high-temperature shows a slight dip in September, from August's enjoyable 19.8°C (67.6°F) to a mild 15.7°C (60.3°F). Rahniku records a slight downturn in temperature to an average of 12.6°C (54.7°F) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In Rahniku, during September, the rain falls for 14.4 days and regularly aggregates up to 43mm (1.69") of precipitation. In Rahniku, 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
The average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:29 and sunset at 20:28. On the last day of the month, sunrise is at 07:32 and sunset at 19:05 EEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Rahniku, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
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
Rahniku, 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
Rahniku, 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
Rahniku, 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
Rahniku, 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).
