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 sea temperature 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's onset in Dubrovnik introduces a mild reduction in the average high-temperature, from 27.9°C (82.2°F) in August to a still warm 23.4°C (74.1°F). Throughout the month of September, Dubrovnik expects an average low of 18.2°C (64.8°F).Humidity
In September, the average relative humidity in Dubrovnik, Croatia, is 64%.Rainfall
In September, in Dubrovnik, the rain falls for 9.9 days. Throughout September, 54mm (2.13") of precipitation is accumulated. Throughout the year, there are 134.6 rainfall days, and 827mm (32.56") of precipitation is accumulated.Snowfall
In Dubrovnik, snow does not fall in January, March through December.Sea temperature
In Dubrovnik, Croatia, the average seawater temperature in September is 24.3°C (75.7°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24.3°C (75.7°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Dubrovnik, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 06:13 and sunset at 19:21. On the last day of the month, sunrise is at 06:44 and sunset at 18:30 CEST.
Sunshine
In September, the average sunshine is 10.4h.UV index
The average daily maximum UV index in September in Dubrovnik is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Frequently asked questions
What are the temperatures in Dubrovnik in September?
What is the average humidity in September in Dubrovnik?
How much does it rain in Dubrovnik in September?
When it does not snow in Dubrovnik?
What is the sea temperature in September in Dubrovnik?
What is the average length of the day in September in Dubrovnik?
When are sunrise and sunset in September in Dubrovnik?
How many hours of sunshine does Dubrovnik have in September?
What is the UV index reading in September in Dubrovnik?
Average temperature in September
Dubrovnik, Croatia
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).
Average pressure in September
Dubrovnik, Croatia
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in September
Dubrovnik, Croatia
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Dubrovnik, Croatia
- Average humidity in September: 64%
The month with the highest relative humidity is February (73%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Dubrovnik, Croatia
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is November (165mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Dubrovnik, Croatia
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in September
Dubrovnik, Croatia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Dubrovnik, Croatia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Dubrovnik, Croatia
- Average sea temperature in September: 24.3°C
The best month for swimming (with the highest average sea temperature) is July (25.5°C).
The coldest months (with the lowest average sea temperature) are January and February (14.2°C).
Average daylight in September /
Average sunshine in September
Dubrovnik, Croatia
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in September
Dubrovnik, Croatia
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Dubrovnik, Croatia
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Dubrovnik, Croatia
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Dubrovnik, Croatia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Dubrovnik, Croatia
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