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
During Piisi's transition into September, the average high-temperature lessens, moving from a pleasant 21.5°C (70.7°F) in August to a refreshing 16.2°C (61.2°F). September is noted for a mean low-temperature of 8.1°C (46.6°F).Humidity
In September, the average relative humidity in Piisi is 82%.Rainfall
In Piisi, Estonia, in September, it is raining for 15.3 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Piisi.Daylight
In Piisi, the average length of the day in September is 12h and 48min.On the first day of September in Piisi, sunrise is at 06:14 and sunset at 20:11. On the last day of the month, sunrise is at 07:15 and sunset at 18:49 EEST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Piisi?
What is the average humidity in September in Piisi?
How much does it rain in Piisi in September?
When it does not snow in Piisi?
Does it snow in Piisi in September?
How many hours of daylight does Piisi have in September?
When are sunrise and sunset in September in Piisi?
How long on average sun shines in September in Piisi?
What is the UV index reading in September in Piisi?
Average temperature in September
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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
Piisi, 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).
Piisi, Estonia
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