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 beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 27.3°C (81.1°F) in August to an agreeable 22.2°C (72°F). During September, the temperature in Rižana is averaged to a low of 15°C (59°F) at night.Humidity
In September, the average relative humidity in Rižana is 73%.Rainfall
In Rižana, in September, during 14.1 rainfall days, 122mm (4.8") of precipitation is typically accumulated. Throughout the year, there are 183.9 rainfall days, and 1093mm (43.03") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Rižana, Slovenia.Daylight
In Rižana, the average length of the day in September is 12h and 32min.On the first day of September in Rižana, Slovenia, sunrise is at 06:26 and sunset at 19:42. On the last day of the month, sunrise is at 07:02 and sunset at 18:46 CEST.
Sunshine
In Rižana, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rižana?
What is the average humidity in September in Rižana?
How much does it rain in Rižana in September?
When it does not snow in Rižana?
What is the average length of the day in September in Rižana?
When is the sunrise / sunset in September in Rižana?
How long on average sun shines in September in Rižana?
What is the UV index reading in September in Rižana?
Average temperature in September
Rižana, Slovenia
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Rižana, Slovenia
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.6mbar).
Average wind speed in September
Rižana, Slovenia
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest months (with the lowest average wind speed) are July and August (8.9km/h).
Average humidity in September
Rižana, Slovenia
- Average humidity in September: 73%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Rižana, Slovenia
- Average rainfall in September: 122mm
The wettest month (with the highest rainfall) is November (144mm).
The driest month (with the least rainfall) is January (64mm).
Average rainfall days in September
Rižana, Slovenia
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is August (12.6 days).
Average snowfall in September
Rižana, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Rižana, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rižana, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Rižana, Slovenia
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in September
Rižana, Slovenia
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Rižana, Slovenia
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Rižana, Slovenia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
