September weather forecastVišnjevik, Slovenia

September

Weather in September

September, the first month of the autumn in Višnjevik, is still a pleasant month, with an average temperature fluctuating between 12.8°C (55°F) and 22°C (71.6°F).

Temperature

The transition into September involves a decrease in the average high-temperature, falling from a moderately hot 27.7°C (81.9°F) in August to an agreeable 22°C (71.6°F). An average low-temperature of 12.8°C (55°F) is common in Višnjevik, Slovenia, during the nights of September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In September, the rain falls for 13.8 days. Throughout September, 83mm (3.27") of precipitation is accumulated. In Višnjevik, Slovenia, during the entire year, the rain falls for 174.2 days and collects up to 1045mm (41.14") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of September, sunrise is at 06:27 and sunset at 19:44. On the last day of the month, sunrise is at 07:03 and sunset at 18:47 CEST.

Sunshine

In Višnjevik, the average sunshine in September is 10.1h.

UV index

The average daily maximum UV index in September in Višnjevik is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

Višnjevik in September has an average high-temperature of 22°C (71.6°F) and an average low-temperature of 12.8°C (55°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 30°C (86°F).

In Višnjevik, the average relative humidity in September is 75%.

In Višnjevik, Slovenia, in September, it is raining for 13.8 days, with typically 83mm (3.27") of accumulated precipitation.

April through October are months without snowfall in Višnjevik.

In Višnjevik, Slovenia, the average day length in September is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:27 and sunset at 19:44. On the last day of the month, in Višnjevik, Slovenia, sunrise is at 07:03 and sunset at 18:47 CEST.

The average sunshine duration in September in Višnjevik is 10.1h.

In September, the average daily maximum UV index in Višnjevik, Slovenia, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Višnjevik, Slovenia

  • Average high temperature in September: 22°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in September: 12.8°C

The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).

Average pressure in September
Višnjevik, Slovenia

  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1014.8mbar).

Average wind speed in September
Višnjevik, Slovenia

  • Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is December (7.3km/h).

Average humidity in September
Višnjevik, Slovenia

  • Average humidity in September: 75%

The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Višnjevik, Slovenia

  • Average rainfall in September: 83mm

The wettest month (with the highest rainfall) is November (164mm).
The driest month (with the least rainfall) is January (61mm).

Average rainfall days in September
Višnjevik, Slovenia

  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (11.4 days).

Average snowfall in September
Višnjevik, Slovenia

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Višnjevik, Slovenia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Višnjevik, 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: 10h and 6min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are February and November (Average sunshine: 5h and 12min).

Average sunshine days in September
Višnjevik, Slovenia

  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is August (17 days).
The month with the least sunshine days is May (7.2 days).

Average UV index in September
Višnjevik, Slovenia

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in September
Višnjevik, Slovenia

  • Average cloud cover in September: 28

The months with the most cloud cover are February and November (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Višnjevik, Slovenia

  • Average visibility in September: 9km

The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is November (8km).