September weather forecastAltmäe, Estonia

September

Weather in September

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

Temperature

With September's arrival, Altmäe's weather changes as the average high-temperature falls from an agreeable 21.5°C (70.7°F) in August to a refreshing 16.1°C (61°F). September sees the temperature falling to a mean low of 8.5°C (47.3°F).

Humidity

In Altmäe, the average relative humidity in September is 82%.

Rainfall

In Altmäe, in September, it is raining for 16.5 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 170.9 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Altmäe, the average length of the day in September is 12h and 49min.
On the first day of the month, sunrise is at 06:14 and sunset at 20:13. On the last day of September, sunrise is at 07:17 and sunset at 18:50 EEST.

Sunshine

In September, the average sunshine in Altmäe is 7.2h.

UV index

In Altmäe, Estonia, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

In Altmäe, 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 in Altmäe, Estonia, is 82%.

In Altmäe, Estonia, during September, the rain falls for 16.5 days and regularly aggregates up to 38mm (1.5") of precipitation.

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

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

In September, the average day length in Altmäe, Estonia, is 12h and 49min.

In September, on the first day of the month, sunrise is at 06:14 and sunset at 20:13. On the last day of the month, sunrise is at 07:17 and sunset at 18:50 EEST.

In Altmäe, Estonia, the average sunshine duration in September is 7.2h.

In September, the average daily maximum UV index in Altmäe is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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 30min).

  • 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
Altmäe, 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
Altmäe, 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
Altmäe, 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
Altmäe, 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).