September weather forecast
Bovec, Slovenia

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Weather in September

September signals the beginning of fall in Bovec with temperatures starting to trend downward from the summer highs seen in August. Despite the decrease in temperature and daylight hours, rainfall and humidity levels exhibit a slight rise compared to August. Worth noting for September is a substantial drop in daily high temperature, down to 19.1°C (66.4°F) from 24.5°C (76.1°F) in August, indicating the arrival of chillier days. As the transition from September to October occurs, slightly reduced visibility, coupled with dropping temperatures and increased rainfall, make for a markedly different feel to the weather. Nonetheless, the adequate daylight and temperate weather frame this month as an ideal time for various outdoor activities including hiking and biking.

Temperature

As September commences, the average high-temperature shows a reduction, transitioning from a moderately hot 24.5°C (76.1°F) in August to a refreshing 19.1°C (66.4°F). Bovec, during the month of September, experiences an average low-temperature of 9.6°C (49.3°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Bovec, in September, it is raining for 15.8 days, with typically 98mm (3.86") of accumulated precipitation. Throughout the year, in Bovec, there are 185.1 rainfall days, and 1333mm (52.48") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 33min.
On the first day of September in Bovec, sunrise is at 06:26 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 Bovec, the average sunshine in September is 9.7h.

UV index

In Bovec, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the temperature in September in Bovec?

In September, in Bovec, the average high-temperature is 19.1°C (66.4°F), and the average low-temperature is 9.6°C (49.3°F).

What is the average humidity in September in Bovec?

The average relative humidity in September is 79%.

How much does it rain in Bovec in September?

In Bovec, in September, during 15.8 rainfall days, 98mm (3.86") of precipitation is typically accumulated.

When it does not snow in Bovec?

June through September are months without snowfall.

Does it snow in Bovec in September?

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

How many hours of daylight does Bovec have in September?

In Bovec, the average day length in September is 12h and 33min.

What time are sunrise and sunset in September in Bovec?

On the first day of September in Bovec, Slovenia, sunrise is at 06:26 and sunset at 19:44. On the last day of the month, sunrise is at 07:03 and sunset at 18:47 CEST.

How long on average sun shines in September in Bovec?

In Bovec, Slovenia, the average sunshine duration in September is 9.7h.

How high is the UV index in September in Bovec?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
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
Bovec, Slovenia

Average temperature in September - Bovec, Slovenia
  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).

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Average pressure in September
Bovec, Slovenia

Average pressure in September - Bovec, Slovenia
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is May (1015mbar).

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Average wind speed in September
Bovec, Slovenia

Average wind speed in September - Bovec, Slovenia
  • Average wind speed in September: 7.1km/h

The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is December (6.4km/h).

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Average humidity in September
Bovec, Slovenia

Average humidity in September - Bovec, Slovenia
  • Average humidity in September: 79%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in September
Bovec, Slovenia

Average rainfall in September - Bovec, Slovenia
  • Average rainfall in September: 98mm

The wettest month (with the highest rainfall) is November (178mm).
The driest month (with the least rainfall) is January (57mm).

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Average rainfall days in September
Bovec, Slovenia

Average rainfall days in September - Bovec, Slovenia
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in September
Bovec, Slovenia

Average snowfall in September - Bovec, Slovenia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (183mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Bovec, Slovenia

Average snowfall days in September - Bovec, Slovenia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Bovec, Slovenia

Average daylight in September / Average sunshine in September - Bovec, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 4h and 48min).

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Average sunshine days in September
Bovec, Slovenia

Average sunshine days in September - Bovec, Slovenia
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is December (18.1 days).
The month with the least sunshine days is May (5.8 days).

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Average UV index in September
Bovec, Slovenia

Average UV index in September - Bovec, Slovenia
  • Average UV index in September: 4

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).

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Average cloud cover in September
Bovec, Slovenia

Average cloud cover in September - Bovec, Slovenia
  • Average cloud cover in September: 35

The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Bovec, Slovenia

Average visibility in September - Bovec, Slovenia
  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is November (7km).

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Bovec, Slovenia

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