September weather forecastJämaja, Estonia
September
Weather in September
September, the first month of the autumn in Jämaja, is still a mild month, with an average temperature fluctuating between 13.3°C (55.9°F) and 15.7°C (60.3°F).Temperature
With the onset of September, the average high-temperature subtly recedes from August's comfortable 19°C (66.2°F) to a still refreshing 15.7°C (60.3°F). The month of September shows a minor drop from daytime temperatures, generally recording a low average of 13.3°C (55.9°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Jämaja, during September, the rain falls for 14.3 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Jämaja, Estonia, there are 129.6 rainfall days, and 278mm (10.94") of precipitation is accumulated.Snowfall
In Jämaja, snow does not fall in June through September.Daylight
In Jämaja, the average length of the day in September is 12h and 48min.On the first day of September, sunrise is at 06:32 and sunset at 20:30. On the last day of the month, sunrise is at 07:34 and sunset at 19:08 EEST.
Sunshine
The average sunshine in September in Jämaja is 7.8h.UV index
In Jämaja, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jämaja, Estonia
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is February (0.4°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (-2.1°C).
Average pressure in September
Jämaja, Estonia
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Jämaja, Estonia
- Average wind speed in September: 24.4km/h
The windiest month (with the highest average wind speed) is December (30.6km/h).
The calmest month (with the lowest average wind speed) is May (18.9km/h).
Average humidity in September
Jämaja, Estonia
- Average humidity in September: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Jämaja, Estonia
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Jämaja, Estonia
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Jämaja, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jämaja, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jämaja, 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 36min).
- Average sunshine in September: 7h and 48min
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 54min).
Average sunshine days in September
Jämaja, Estonia
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is May (19.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in September
Jämaja, Estonia
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Jämaja, Estonia
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Jämaja, Estonia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





