September weather forecastRiksu, Estonia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Riksu, Estonia, with an average temperature varying between 15.3°C (59.5°F) and 13.5°C (56.3°F).Temperature
In Riksu, entering September brings a subtle temperature decrement, reducing from August's comfortable 18.8°C (65.8°F) to a still refreshing 15.3°C (59.5°F). During the nights of September, Riksu records an average low-temperature of 13.5°C (56.3°F), reflecting a modest decrease from daytime highs.Humidity
In September, the average relative humidity is 78%.Rainfall
In Riksu, during September, the rain falls for 14 days and regularly aggregates up to 42mm (1.65") of precipitation. In Riksu, during the entire year, the rain falls for 153.3 days and collects up to 470mm (18.5") of precipitation.Snowfall
In Riksu, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:32 and sunset at 20:30. On the last day of September, sunrise is at 07:34 and sunset at 19:08 EEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Riksu, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riksu, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.4°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (-2°C).
Average pressure in September
Riksu, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Riksu, Estonia
- Average wind speed in September: 23.8km/h
The windiest month (with the highest average wind speed) is December (29.8km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in September
Riksu, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Riksu, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Riksu, Estonia
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Riksu, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riksu, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Riksu, 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 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Riksu, Estonia
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in September
Riksu, Estonia
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Riksu, 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
Riksu, 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 and December (8km).
