September weather forecastRibno, Slovenia

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Ribno, Slovenia, with an average temperature varying between 8.7°C (47.7°F) and 19.1°C (66.4°F).

Temperature

September brings a decrease in the average high-temperature, falling from August's warm 24.9°C (76.8°F) to an enjoyable 19.1°C (66.4°F). In the month of September, an average of 8.7°C (47.7°F) marks the low-temperature.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Ribno, Slovenia, in September, it is raining for 16.4 days, with typically 97mm (3.82") of accumulated precipitation. In Ribno, Slovenia, during the entire year, the rain falls for 195.6 days and collects up to 1064mm (41.89") of precipitation.

Snowfall

May through September are months without snowfall in Ribno.

Daylight

In Ribno, the average length of the day in September is 12h and 33min.
On the first day of the month, sunrise is at 06:24 and sunset at 19:42. On the last day of September, sunrise is at 07:01 and sunset at 18:45 CEST.

Sunshine

In Ribno, Slovenia, the average sunshine in September is 9.2h.

UV index

In Ribno, Slovenia, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 3 in September transforms into this advice:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

During September, Ribno experiences an average high-temperature of 19.1°C (66.4°F) and a low-temperature of 8.7°C (47.7°F).

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

In Ribno, Slovenia, in September, during 16.4 rainfall days, 97mm (3.82") of precipitation is typically accumulated.

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

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

The average day length in September in Ribno, Slovenia, is 12h and 33min.

In September, on the first day of the month, sunrise is at 06:24 and sunset at 19:42. On the last day of the month, in Ribno, sunrise is at 07:01 and sunset at 18:45 CEST.

The average sunshine duration in September is 9.2h.

In September, the average daily maximum UV index in Ribno is 3. A UV Index reading of 3 to 5 represents 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
Ribno, Slovenia

  • Average high temperature in September: 19.1°C

The warmest months (with the highest average high temperature) are July and August (24.9°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 8.7°C

The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).

Average pressure in September
Ribno, Slovenia

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015mbar).

Average wind speed in September
Ribno, Slovenia

  • Average wind speed in September: 5.8km/h

The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).

Average humidity in September
Ribno, Slovenia

  • Average humidity in September: 82%

The month with the highest relative humidity is November (88%).
The month with the lowest relative humidity is July (75%).

Average rainfall in September
Ribno, Slovenia

  • Average rainfall in September: 97mm

The wettest month (with the highest rainfall) is May (121mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in September
Ribno, Slovenia

  • Average rainfall days in September: 16.4 days

The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is January (10.9 days).

Average snowfall in September
Ribno, Slovenia

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (196mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Ribno, Slovenia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.7 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
Ribno, Slovenia

  • Average daylight in September: 12h and 30min

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 12min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Ribno, Slovenia

  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is December (15.4 days).
The month with the least sunshine days is July (5.7 days).

Average UV index in September
Ribno, Slovenia

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Ribno, Slovenia

  • Average cloud cover in September: 40

The months with the most cloud cover are February and November (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Ribno, Slovenia

  • Average visibility in September: 8km

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