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
Weather in September
Temperature
Riitsilla's weather changes with the onset of September, slightly falling from an agreeable 21.5°C (70.7°F) in August to a refreshing 16.2°C (61.2°F). Riitsilla records a steady low-temperature average of 8.1°C (46.6°F) during September.Humidity
The average relative humidity in September in Riitsilla is 82%.Rainfall
In Riitsilla, Estonia, during September, the rain falls for 15.3 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Riitsilla, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
In Riitsilla, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 06:14 and sunset at 20:10. On the last day of September, in Riitsilla, sunrise is at 07:15 and sunset at 18:49 EEST.
Sunshine
In September, the average sunshine in Riitsilla is 7.1h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the temperature in September in Riitsilla?
What is the average humidity in September in Riitsilla?
How many days does it rain in September in Riitsilla?
When it does not snow in Riitsilla?
Does it snow in Riitsilla in September?
What is the average length of the day in September in Riitsilla?
When are sunrise and sunset in September in Riitsilla?
How long on average sun shines in September in Riitsilla?
How high is the UV index in September in Riitsilla?
Average temperature in September
Riitsilla, Estonia
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in September
Riitsilla, Estonia
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in September
Riitsilla, Estonia
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in September
Riitsilla, Estonia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Riitsilla, Estonia
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Riitsilla, Estonia
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Riitsilla, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riitsilla, 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
Riitsilla, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in September
Riitsilla, Estonia
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in September
Riitsilla, 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
Riitsilla, Estonia
- Average cloud cover in September: 54
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Riitsilla, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
Riitsilla, Estonia
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