September weather forecastOprtalj, Croatia
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Oprtalj, Croatia, with an average temperature varying between 21.9°C (71.4°F) and 14.9°C (58.8°F).Temperature
In September, the average high-temperature goes from a moderately hot 27.3°C (81.1°F) in August to a pleasant 21.9°C (71.4°F). In the month of September, Oprtalj witnesses a consistent average low-temperature of 14.9°C (58.8°F).Humidity
In September, the average relative humidity in Oprtalj is 74%.Rainfall
In Oprtalj, during September, the rain falls for 14.4 days and regularly aggregates up to 109mm (4.29") of precipitation. In Oprtalj, during the entire year, the rain falls for 184.2 days and collects up to 1080mm (42.52") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Oprtalj, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:26 and sunset at 19:42. On the last day of September, in Oprtalj, sunrise is at 07:02 and sunset at 18:46 CEST.
Sunshine
In Oprtalj, Croatia, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September in Oprtalj is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oprtalj, Croatia
- Average high temperature in September: 21.9°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: 14.9°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
Oprtalj, Croatia
- Average pressure in September: 1017mbar
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
Oprtalj, Croatia
- Average wind speed in September: 10.5km/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
Oprtalj, Croatia
- Average humidity in September: 74%
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
Oprtalj, Croatia
- Average rainfall in September: 109mm
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
Oprtalj, Croatia
- Average rainfall days in September: 14.4 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
Oprtalj, Croatia
- 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
Oprtalj, Croatia
- 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
Oprtalj, Croatia
- 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: 10h and 0min
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
Oprtalj, Croatia
- Average sunshine days in September: 13.7 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
Oprtalj, Croatia
- Average UV index in September: 4
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
Oprtalj, Croatia
- 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
Oprtalj, Croatia
- 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).
