September weather forecastSemič, Slovenia

September

Weather in September

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

Temperature

A decrease in the average high-temperature is observed during September, shifting from a warm 26.3°C (79.3°F) in August to an agreeable 20.2°C (68.4°F). An average low-temperature of 9.4°C (48.9°F) is expected during September.

Humidity

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

Rainfall

In September, in Semič, the rain falls for 13.6 days. Throughout September, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 159.5 rainfall days, and 752mm (29.61") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Semič.

Daylight

The average length of the day in September in Semič is 12h and 32min.
On the first day of the month, sunrise is at 06:21 and sunset at 19:37. On the last day of September, sunrise is at 06:56 and sunset at 18:41 CEST.

Sunshine

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

UV index

The average daily maximum UV index in September in Semič is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the UV index of 3 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

The high-temperature, in September, in Semič, is 20.2°C (68.4°F), while the low-temperature averages to 9.4°C (48.9°F).

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

In September, in Semič, Slovenia, the rain falls for 13.6 days. Throughout September, 67mm (2.64") of precipitation is accumulated.

May through September are months without snowfall in Semič.

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

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

On the first day of September in Semič, Slovenia, sunrise is at 06:21 and sunset at 19:37. On the last day of the month, sunrise is at 06:56 and sunset at 18:41 CEST.

The average sunshine duration in September in Semič, Slovenia, is 9h.

In September, the average daily maximum UV index in Semič is 3. A UV Index reading of 3 to 5 represents 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Semič, 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
Semič, 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
Semič, 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
Semič, 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
Semič, 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
Semič, 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
Semič, 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
Semič, 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
Semič, Slovenia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • 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
Semič, 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
Semič, 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
Semič, 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
Semič, 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).