September weather forecastBiš, Slovenia

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Biš, Slovenia, with temperature in the range of an average low of 10.1°C (50.2°F) and an average high of 19.5°C (67.1°F).

Temperature

September indicates a shift in the average high-temperature, from August's warm 25.1°C (77.2°F) to an enjoyable 19.5°C (67.1°F). The nighttime temperature in Biš, during September, averages of 10.1°C (50.2°F).

Humidity

In Biš, the average relative humidity in September is 81%.

Rainfall

In September, in Biš, Slovenia, the rain falls for 14.5 days. Throughout September, 77mm (3.03") of precipitation is accumulated. In Biš, during the entire year, the rain falls for 188.4 days and collects up to 935mm (36.81") of precipitation.

Snowfall

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

Daylight

In Biš, the average length of the day in September is 12h and 33min.
On the first day of the month, sunrise is at 06:17 and sunset at 19:35. On the last day of September, sunrise is at 06:54 and sunset at 18:38 CEST.

Sunshine

The average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.

Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Biš in September has an average high-temperature of 19.5°C (67.1°F) and an average low-temperature of 10.1°C (50.2°F).

In Biš, the average relative humidity in September is 81%.

In Biš, in September, during 14.5 rainfall days, 77mm (3.03") of precipitation is typically accumulated.

May through September are months without snowfall in Biš.

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

The average day length in September in Biš is 12h and 33min.

In September, on the first day of the month, sunrise is at 06:17 and sunset at 19:35. On the last day of the month, in Biš, sunrise is at 06:54 and sunset at 18:38 CEST.

In Biš, Slovenia, the average sunshine duration in September is 8.7h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.1°C

19.5°C

14.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.7km/h

6.8km/h

7.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.1

12.5

15.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Biš, Slovenia

Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (2.5°C).

Average low temperature in September: 10.1°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average pressure in September
Biš, Slovenia

Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1015.1mbar).

Average wind speed in September
Biš, Slovenia

Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September
Biš, Slovenia

Average humidity in September: 81%

The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Biš, Slovenia

Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is May (139mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days in September
Biš, Slovenia

Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (24 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in September
Biš, Slovenia

Average snowfall in September: 0mm

The month with the highest snowfall is February (210mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Biš, Slovenia

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12 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
Biš, Slovenia

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).