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
The shift to September brings a decrease in the average high-temperature, falling from a warm 26.3°C (79.3°F) in August to a pleasant 20.2°C (68.4°F). An average low-temperature of 9.8°C (49.6°F) is noted during the nights in September.Humidity
In Kupa, the average relative humidity in September is 79%.Rainfall
In Kupa, during September, the rain falls for 11.6 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 166.6 rainfall days, and 817mm (32.17") of precipitation is accumulated.Snowfall
In Kupa, snow does not fall in May through September.Daylight
In September, the average length of the day in Kupa, Croatia, is 12h and 32min.On the first day of September, sunrise is at 06:21 and sunset at 19:37. On the last day of the month, sunrise is at 06:57 and sunset at 18:41 CEST.
Sunshine
The average sunshine in September in Kupa is 9.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 in September translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are September temperatures in Kupa?
What is the average humidity in September in Kupa?
How many days does it rain in September in Kupa?
When it does not snow in Kupa?
Does it snow in Kupa in September?
How many hours of daylight does Kupa have in September?
When is the sunrise / sunset in September in Kupa?
How long on average sun shines in September in Kupa?
What is the UV index reading in September in Kupa?
Average temperature in September
Kupa, Croatia
- 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 (3.4°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-2.6°C).
Average pressure in September
Kupa, Croatia
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Kupa, Croatia
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (10.3km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Kupa, Croatia
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Kupa, Croatia
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is May (100mm).
The driest month (with the least rainfall) is August (49mm).
Average rainfall days in September
Kupa, Croatia
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is August (10.3 days).
Average snowfall in September
Kupa, Croatia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (249mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Kupa, Croatia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kupa, Croatia
- 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Kupa, Croatia
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Kupa, Croatia
- 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, October, November and December (UV index 2).
Average cloud cover in September
Kupa, Croatia
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Kupa, Croatia
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and November (7km).
Kupa, Croatia
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