September weather forecast
Otočec, Slovenia

September

Weather in September

September, the first month of the autumn in Otočec, is also an agreeable month, with an average temperature varying between 20.2°C (68.4°F) and 9.4°C (48.9°F).

Temperature

Otočec's progression into September involves a drop in the average high-temperature, receding from a warm 26.3°C (79.3°F) in August to an agreeable 20.2°C (68.4°F). September in Otočec is noted for a mean low-temperature of 9.4°C (48.9°F).

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Otočec, during September, the rain falls for 13.6 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 159.5 rainfall days, and 752mm (29.61") of precipitation is accumulated.

Snowfall

In Otočec, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of September, sunrise is at 06:20 and sunset at 19:37. On the last day of the month, sunrise is at 06:56 and sunset at 18:41 CEST.

Sunshine

In September, the average sunshine in Otočec is 9h.

UV index

The average daily maximum UV index in September in Otočec is 3. 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: In September, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the usual temperature for Otočec in September?
During September, Otočec experiences an average high-temperature of 20.2°C (68.4°F) and a low-temperature of 9.4°C (48.9°F).
What is the average humidity in September in Otočec?
In September, the average relative humidity is 81%.
How much does it rain in Otočec in September?
In Otočec, Slovenia, in September, it is raining for 13.6 days, with typically 67mm (2.64") of accumulated precipitation.
When it does not snow in Otočec?
May through September are months without snowfall in Otočec.
Does it snow in Otočec in September?
In Otočec, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Otočec?
The average day length in September in Otočec is 12h and 32min.
When are sunrise and sunset in September in Otočec?
In September, on the first day of the month, sunrise is at 06:20 and sunset at 19:37. On the last day of the month, sunrise is at 06:56 and sunset at 18:41 CEST.
How long on average sun shines in September in Otočec?
In Otočec, the average sunshine duration in September is 9h.
What is the UV index reading in September in Otočec?
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Otočec, Slovenia
  • Average high temperature in September: 20.2°C

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in September: 9.4°C

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in September
Otočec, Slovenia
  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).

Average wind speed in September
Otočec, Slovenia
  • Average wind speed in September: 5.9km/h

The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in September
Otočec, Slovenia
  • Average humidity in September: 81%

The months with the highest relative humidity are January and November (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Otočec, Slovenia
  • Average rainfall in September: 67mm

The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is January (42mm).

Average rainfall days in September
Otočec, Slovenia
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in September
Otočec, Slovenia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Otočec, Slovenia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Otočec, Slovenia
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Otočec, Slovenia
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Otočec, Slovenia
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Otočec, Slovenia
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Otočec, Slovenia
  • Average visibility in September: 8km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).

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