September weather forecastHirmuste, Estonia

September

Weather in September

The first month of the autumn, September, is still a mild month in Hirmuste, Estonia, with temperature in the range of an average low of 13.3°C (55.9°F) and an average high of 15.3°C (59.5°F).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an enjoyable 18.6°C (65.5°F) in August to a still refreshing 15.3°C (59.5°F). September nights witness a slight temperature decrease, averaging at a still moderate 13.3°C (55.9°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Hirmuste, in September, it is raining for 14.4 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 148.9 rainfall days, and 462mm (18.19") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Hirmuste, the average length of the day in September is 12h and 50min.
On the first day of September, sunrise is at 06:30 and sunset at 20:32. On the last day of the month, sunrise is at 07:35 and sunset at 19:07 EEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

The high-temperature, in September, in Hirmuste, records 15.3°C (59.5°F), while the low-temperature is 13.3°C (55.9°F).

In September, the average relative humidity is 78%.

In Hirmuste, during September, the rain falls for 14.4 days and regularly aggregates up to 46mm (1.81") of precipitation.

June through September are months without snowfall.

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

The average day length in September is 12h and 50min.

On the first day of September, sunrise is at 06:30 and sunset at 20:32. On the last day of the month, sunrise is at 07:35 and sunset at 19:07 EEST.

The average sunshine duration in September in Hirmuste is 7.6h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hirmuste, Estonia

  • Average high temperature in September: 15.3°C

The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is February (0.4°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).

Average pressure in September
Hirmuste, Estonia

  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

Average wind speed in September
Hirmuste, Estonia

  • Average wind speed in September: 25.2km/h

The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).

Average humidity in September
Hirmuste, Estonia

  • Average humidity in September: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Hirmuste, Estonia

  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Hirmuste, Estonia

  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is February (7.6 days).

Average snowfall in September
Hirmuste, Estonia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (96mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Hirmuste, Estonia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hirmuste, Estonia

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in September: 7h and 36min

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 42min).

Average sunshine days in September
Hirmuste, Estonia

  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is December (3.3 days).

Average UV index in September
Hirmuste, 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 December (UV index 1).

Average cloud cover in September
Hirmuste, Estonia

  • Average cloud cover in September: 45

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
Hirmuste, 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).