September weather forecastKarlovac, Croatia
September
Weather in September
September introduces autumn to Karlovac, exhibiting a pronounced cooling trend and wrapped in the colors of fall. Moderate temperature drops from August indicate the commencement of the fall season. Regarding rainfall, September shows an increase compared to August, prompting the need for umbrellas in the city. The decrease in daylight hours continues from August, bringing shorter days. However, September gives its residents a delightful taste of the receding summer with lingering warmth and sunshine.Temperature
September in Karlovac, Croatia, is characterized by a reduction in the average high-temperature, from a moderately hot 28.4°C (83.1°F) in August to a pleasant 21.8°C (71.2°F). Throughout September nights, Karlovac experiences a consistent temperature average of 10°C (50°F).Humidity
In Karlovac, the average relative humidity in September is 77%.Rainfall
In Karlovac, in September, during 10.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 118.1 rainfall days, and 522mm (20.55") of precipitation is accumulated.Snowfall
In Karlovac, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:19 and sunset at 19:35. On the last day of the month, sunrise is at 06:55 and sunset at 18:39 CEST.
Sunshine
The average sunshine in September is 9h.UV index
In Karlovac, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Karlovac, Croatia
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is August (28.4°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Karlovac, Croatia
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.6mbar).
Average wind speed in September
Karlovac, Croatia
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in September
Karlovac, Croatia
- Average humidity in September: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Karlovac, Croatia
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Karlovac, Croatia
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Karlovac, Croatia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (97mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Karlovac, Croatia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Karlovac, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Karlovac, Croatia
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in September
Karlovac, Croatia
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Karlovac, Croatia
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Karlovac, Croatia
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).
