Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The onset of September results in a decrease in the average high-temperature, receding from a warm 26.3°C (79.3°F) in August to an agreeable 20.2°C (68.4°F). During September, Željne observes a consistent average nighttime temperature of 9.4°C (48.9°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Željne, Slovenia, during September, the rain falls for 13.6 days and regularly aggregates up to 67mm (2.64") of precipitation. In Željne, during the entire year, the rain falls for 159.5 days and collects up to 752mm (29.61") of precipitation.Snowfall
May through September are months without snowfall in Željne, Slovenia.Daylight
In September, the average length of the day in Željne is 12h and 32min.On the first day of September, sunrise is at 06:22 and sunset at 19:38. On the last day of the month, sunrise is at 06:58 and sunset at 18:42 CEST.
Sunshine
In September, the average sunshine in Željne is 9h.UV index
In September, the average daily maximum UV index in Željne is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Željne?
What is the average humidity in September in Željne?
How many days does it rain in September in Željne?
When it does not snow in Željne?
Does it snow in Željne in September?
What is the average length of the day in September in Željne?
When is the sunrise / sunset in September in Željne?
How long on average sun shines in September in Željne?
What is the UV index reading in September in Željne?
Average temperature in September
Željne, 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
Željne, 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
Željne, 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
Željne, 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
Željne, 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
Željne, 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
Željne, 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
Željne, 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
Željne, Slovenia
- Average daylight in September: 12h and 3min
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
Željne, 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
Željne, 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
Željne, 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
Željne, 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).
