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
Weather in September
Temperature
September brings a decrease in the average high-temperature, falling from August's moderately hot 25.2°C (77.4°F) to a comfortable 19.3°C (66.7°F). Throughout the month of September, Gračnica expects an average low of 9.4°C (48.9°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Gračnica, during September, the rain falls for 15.1 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, there are 179.3 rainfall days, and 854mm (33.62") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Gračnica, Slovenia.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:20 and sunset at 19:37. On the last day of September, sunrise is at 06:56 and sunset at 18:40 CEST.
Sunshine
In Gračnica, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Gračnica?
What is the average humidity in September in Gračnica?
How many days does it rain in September in Gračnica?
When it does not snow in Gračnica?
Does it snow in Gračnica in September?
How many hours of daylight does Gračnica have in September?
When is the sunrise / sunset in September in Gračnica?
How long on average sun shines in September in Gračnica?
What is the UV index reading in September in Gračnica?
Average temperature in September
Gračnica, Slovenia
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Gračnica, Slovenia
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).
Average wind speed in September
Gračnica, Slovenia
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Gračnica, Slovenia
- Average humidity in September: 82%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Gračnica, Slovenia
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Gračnica, Slovenia
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Gračnica, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Gračnica, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 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
Gračnica, 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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Gračnica, Slovenia
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index in September
Gračnica, 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 and November (UV index 1).
Average cloud cover in September
Gračnica, Slovenia
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Gračnica, 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).
Gračnica, Slovenia
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