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
September's onset introduces a mild reduction in the average high-temperature, from an enjoyable 18.8°C (65.8°F) in August to a still refreshing 15.3°C (59.5°F). Undva reports an average low-temperature of 13.5°C (56.3°F) during the subtly cooler September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In Undva, in September, it is raining for 14 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Undva, there are 153.3 rainfall days, and 470mm (18.5") of precipitation is accumulated.Snowfall
In Undva, snow does not fall in June through September.Daylight
The average length of the day in September in Undva is 12h and 49min.On the first day of the month, sunrise is at 06:32 and sunset at 20:31. On the last day of September, sunrise is at 07:35 and sunset at 19:08 EEST.
Sunshine
The average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index in Undva is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average September temperature in Undva?
What is the average humidity in September in Undva?
How much does it rain in Undva in September?
When it does not snow in Undva?
Does it snow in Undva in September?
What is the average length of the day in September in Undva?
When are sunrise and sunset in September in Undva?
How long on average sun shines in September in Undva?
How high is the UV index in September in Undva?
Average temperature in September
Undva, 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
Undva, 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
Undva, 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
Undva, 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
Undva, 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
Undva, 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
Undva, 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
Undva, 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
Undva, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 4min
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
Undva, 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
Undva, 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
Undva, 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
Undva, 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).
Undva, Estonia
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