September weather forecastErja, Estonia
September
Weather in September
September, the first month of the autumn in Erja, is still a mild month, with an average temperature varying between 12.4°C (54.3°F) and 15.4°C (59.7°F).Temperature
As August makes way for September, Erja's average high-temperature eases from a comfortable 19.4°C (66.9°F) to a moderate 15.4°C (59.7°F). In Erja, September nights maintain a consistent temperature, with an average low of 12.4°C (54.3°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Erja, during September, the rain falls for 13.3 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, there are 142.4 rainfall days, and 436mm (17.17") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Erja.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 06:24 and sunset at 20:26. On the last day of the month, sunrise is at 07:29 and sunset at 19:01 EEST.
Sunshine
In Erja, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Erja is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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
Erja, Estonia
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is August (19.4°C).
The month with the lowest average high temperature is February (-0.9°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Erja, Estonia
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Erja, Estonia
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is May (16.1km/h).
Average humidity in September
Erja, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Erja, Estonia
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Erja, Estonia
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Erja, 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
Erja, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Erja, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 36min
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
Erja, Estonia
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is June (19.4 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in September
Erja, 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, February, March and December (UV index 1).
Average cloud cover in September
Erja, Estonia
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Erja, Estonia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February and December (8km).
