Slovenia Weather in September: Temperature, Precipitation, Wind

Temperature
18.8°C
65.8°F
High temperature
25.2°C
77.3°F
Low temperature
13.1°C
55.6°F
Rainy days
11 days
Rainfall level
0.86mm
0.03 inch
Cloud coverage
38.3%
Wind speed
11km/h
6.8mph
Daylight time
12:33:06
UV index
6.7
1
rain
20.1°C
68.0°F
2
clear day
21.0°C
70.0°F
3
rain
20.8°C
69.0°F
4
partly cloudy day
20.1°C
68.0°F
5
clear day
18.3°C
65.0°F
6
clear day
19.0°C
66.0°F
7
clear day
20.1°C
68.0°F
8
clear day
19.9°C
68.0°F
9
clear day
20.2°C
68.0°F
10
clear day
20.0°C
68.0°F
11
clear day
19.9°C
68.0°F
12
partly cloudy day
20.7°C
69.0°F
13
rain
21.2°C
70.0°F
14
rain
19.0°C
66.0°F
15
rain
19.2°C
67.0°F
16
partly cloudy day
19.0°C
66.0°F
17
partly cloudy day
19.8°C
68.0°F
18
partly cloudy day
19.9°C
68.0°F
19
rain
18.7°C
66.0°F
20
partly cloudy day
18.4°C
65.0°F
21
rain
19.4°C
67.0°F
22
rain
20.0°C
68.0°F
23
rain
17.1°C
63.0°F
24
rain
13.3°C
56.0°F
25
rain
14.0°C
57.0°F
26
partly cloudy day
17.4°C
63.0°F
27
clear day
18.5°C
65.0°F
28
clear day
16.9°C
62.0°F
29
clear day
16.5°C
62.0°F
30
partly cloudy day
15.6°C
60.0°F

In September, Slovenia has pleasant weather conditions with an average daily temperature of 18.8°C (65.8°F). The highs reach 25.2°C (77.3°F), while the lows drop to 13.1°C (55.6°F). The average humidity is around 75.5%. There is a moderate chance of precipitation, with an average of 0.86 mm (0.03 in) of rainfall expected throughout the month. The chance of rain is around 36.7%, and it is the most common type of precipitation. On average, there are 11 days with some form of rainfall, and the cloud cover is 38.3%. The winds are relatively calm, with an average speed of 11.0 km/h (6.8 mph) and gusts up to 24.1 km/h (14.9 mph). The atmospheric pressure is high, averaging 1019.1 mb (30.1 inHg). The visibility is slightly reduced, with an average of 33.8 km (21.0 mi), but the UV index is high at 6.7.

What is the temperature in Slovenia in September?

Average air temperature in Slovenia is 18.8°C (65.8°F) in September. The outside temperature in Slovenia feels like 18.8°C (65.8°F) on a typical September day. The highest average temperature during sunny days is 25.2°C (77.3°F) and feels like 25.1°C (77.3°F). The lowest average temperature after dark is 13.1°C (55.6°F) which feels like 13.1°C (55.6°F).

How hot is Slovenia in September?

The hot temperature in September in Slovenia rises to 29.6°C (85.3°F) on sunny days with low cloud coverage and 75.5% humidity. During hottest days of September it feels like 29.2 °C (84.6°F). The average maximum temp in Slovenia is 25.2°C (84.6°F) during day time in September.

How cold is Slovenia in September?

The coldest temp in Slovenia in September drops to 8.5°C (47.3°F) during the cold nights. With 11km/h (6.8mph) winds and 75.5% humidity it feels like 8.4°C (47.1°F) on the coldest nights. The average minimum temperature is 13.1°C (55.6°F) during night time in September.

Does it rain in Slovenia in September?

Yes, it rains for 11 days in Slovenia in September averaging 0.86 mm of precipitation. Slovenia has a 36.7% chance for rain throughout the entire month of September.

How much does it rain in Slovenia throughout September?

Slovenia has 0.86 mm (0.03 inch) of rain per day on average in September. It rains for an average of 11 days out of the entire month.

Is Slovenia windy in September?

The average speed of wind in Slovenia during September is 11km/h (6.8mph) and average windgust is 24.1km/h (15mph). On some days in September wind can reach up to 18.7km/h (11.6mph).

What is the direction of the wind in Slovenia in September?

Most days of September the wind is blowing from South-Southeast direction in Slovenia.

What are the humidity levels in Slovenia in September?

The average humidity levels in Slovenia in September are 75.5%. Daily humidity levels in Slovenia range from 62.4% to 87.1% during September.

How many hours of daylight are in Slovenia in September?

Slovenia has 12 hours 33 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Slovenia in September is at 6:40:12 and the sunset is at 19:13:18.

What is the cloud coverage in Slovenia in September?

Clouds cover 38.3% of the sky on average throughout September in Slovenia. The cloud coverage ranges from 2.1% to 97.8% depending on the day of the month.

What is the UV level in September in Slovenia?

The average UV index in Slovenia is 6.7 in September. UV levels change throughout the month and range from 1 to 9.

What is the solar radiation in Slovenia in September?

The average solar radiation is 168.8 W/m2 (Watts per square meter) in Slovenia during September. However solar radiation levels change throughout the month and range from 32.1 W/m2 to 262.8 W/m2.

What is the solar energy during September in Slovenia?

The average solar energy during September in Slovenia is 14.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.7 MJ/m2, to 22.7 MJ/m2 during September.

Are there severe weather risks in Slovenia in September?

No, there are no risks for severe weather in Slovenia in September.

What is the air pressure in Slovenia in September?

On average the air pressure in Slovenia in September is 1019.1 mb (millibars). Throughout the month the sea level pressure ranges from 1007.1 mb to 1024.3 mb.

What is the visibility in Slovenia in September?

The average daylight visibility in Slovenia in September is 33.8 km (21 miles). Depending on the precipitation the visibility ranges from 22 km (13.7 miles) to 47.8 km (29.7 miles) throughout September.

What is the dew point in Slovenia in September?

The average dew point in Slovenia during September is 13.8°C (56.9°F).

Where is the data for Slovenia climate in September coming from?

The climate data for Slovenia in September is collected from the following weather stations.

  • LESCE, SI
  • KATARINA, SI
  • LJUBLJANA, SI
  • LJUBLJANA BEZIGRAD, SI
  • POSTOJNA, SI
  • KOCEVJE, SI
  • EW3154 Golnik SI
  • FW1048 Tolmin SI