Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's agreeable 21.7°C (71.1°F) to a comfortable 16.2°C (61.2°F). In the month of September, the temperature in Riidamäe generally rests at an average low of 8.3°C (46.9°F).Humidity
In Riidamäe, the average relative humidity in September is 83%.Rainfall
In September, the rain falls for 17.2 days. Throughout September, 42mm (1.65") of precipitation is accumulated. Throughout the year, there are 161 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
In Riidamäe, snow does not fall in June through September.Daylight
In Riidamäe, the average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 06:17 and sunset at 20:20. On the last day of September, in Riidamäe, sunrise is at 07:22 and sunset at 18:54 EEST.
Sunshine
In Riidamäe, the average sunshine in September is 6.7h.UV index
In Riidamäe, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 3 in September transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Riidamäe?
What is the average humidity in September in Riidamäe?
How many days does it rain in September in Riidamäe?
When it does not snow in Riidamäe?
Does it snow in Riidamäe in September?
How many hours of daylight does Riidamäe have in September?
What time are sunrise and sunset in September in Riidamäe?
How many hours of sunshine does Riidamäe have in September?
What is the UV index reading in September in Riidamäe?
Average temperature in September
Riidamäe, Estonia
- Average high temperature in September: 16.2°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 (-2.8°C).
- Average low temperature in September: 8.3°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 (-6.9°C).
Average pressure in September
Riidamäe, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Riidamäe, Estonia
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Riidamäe, Estonia
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Riidamäe, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Riidamäe, Estonia
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Riidamäe, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (203mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riidamäe, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Riidamäe, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Riidamäe, Estonia
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Riidamäe, 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
Riidamäe, Estonia
- Average cloud cover in September: 57
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 42).
Average visibility in September
Riidamäe, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (6km).
