September weather forecastKooli, Estonia

September

Weather in September

September, the first month of the autumn in Kooli, is also an enjoyable month, with an average temperature varying between 16.1°C (61°F) and 8.5°C (47.3°F).

Temperature

September's arrival corresponds with a decrease in average high-temperatures, from August's pleasant 21.5°C (70.7°F) to a refreshing 16.1°C (61°F). Kooli registers a consistent average low-temperature of 8.5°C (47.3°F) during September.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Kooli, in September, during 16.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Kooli, during the entire year, the rain falls for 170.9 days and collects up to 525mm (20.67") of precipitation.

Snowfall

In Kooli, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 48min.
On the first day of the month, sunrise is at 06:14 and sunset at 20:12. On the last day of September, sunrise is at 07:16 and sunset at 18:50 EEST.

Sunshine

The average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

In Kooli, 16.1°C (61°F) is the average high-temperature and 8.5°C (47.3°F) is the average low-temperature during September.

The average relative humidity in September is 82%.

In September, the rain falls for 16.5 days. Throughout September, 38mm (1.5") of precipitation is accumulated.

June through September are months without snowfall.

In Kooli, in September, it doesn't snow. In October, it regularly snows.

In Kooli, the average day length in September is 12h and 48min.

On the first day of September, sunrise is at 06:14 and sunset at 20:12. On the last day of the month, sunrise is at 07:16 and sunset at 18:50 EEST.

In September, the average sunshine duration is 7.2h.

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kooli, Estonia

  • Average high temperature in September: 16.1°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 (-3.5°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).

Average pressure in September
Kooli, Estonia

  • Average pressure in September: 1014.7mbar

The month with the highest atmospheric pressure is October (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in September
Kooli, Estonia

  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest months (with the lowest average wind speed) are May and August (11km/h).

Average humidity in September
Kooli, Estonia

  • Average humidity in September: 82%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Kooli, Estonia

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are March and April (32mm).

Average rainfall days in September
Kooli, Estonia

  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in September
Kooli, Estonia

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (217mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kooli, Estonia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Kooli, 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 12min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).

Average sunshine days in September
Kooli, Estonia

  • Average sunshine days in September: 9 days

The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is December (3.7 days).

Average UV index in September
Kooli, 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, October, November and December (UV index 1).

Average cloud cover in September
Kooli, Estonia

  • Average cloud cover in September: 53

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 40).

Average visibility in September
Kooli, 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).