September weather forecast and climate
Hvar, Croatia

Weather in September

September, the first month of the autumn, in Hvar, is also a moderately hot month, with average temperature varying between 20.7°C (69.3°F) and 23.6°C (74.5°F).

Temperature

In Hvar, the average high-temperature in September marginally drops, from a moderately hot 27.3°C (81.1°F) in August, to a still warm 23.6°C (74.5°F). In September, in Hvar, the average low-temperature is 20.7°C (69.3°F).

Humidity

In September, the average relative humidity is 65%.

Rainfall

In September, in Hvar, the rain falls for 10.2 days. Throughout September, 60mm (2.36") of precipitation is accumulated. Throughout the year, there are 130 rainfall days, and 636mm (25.04") of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Hvar.

Sea temperature

In Hvar, in September, the average water temperature is 23.9°C (75°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.9°C (75°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Hvar, the average length of the day is 12.5h.

Sunshine

In Hvar, the average sunshine is 10.7h.

UV index

In Hvar, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the average humidity in September in Hvar?

The average relative humidity in September in Hvar is 65%.

How many days does it rain in September in Hvar?

In Hvar, during September, the rain falls for 10.2 days and regularly aggregates up to 60mm (2.36") of precipitation.

When it does not snow in Hvar?

In Hvar snow does not fall in January, March through December.

What is the sea temperature in September in Hvar?

In September, the average sea temperature in Hvar, Croatia, is 23.9°C (75°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.9°C (75°F) water may be enjoyable.

How many hours of daylight does Hvar have in September?

In Hvar, the average length of the day in September is 12.5h.

How long on average sun shines in September in Hvar?

The average sunshine in September is 10.7h.

How high is the UV index in September in Hvar?

In September, the average daily maximum UV index in Hvar is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Hvar, Croatia

Average temperature in September - Hvar, Croatia
  • Average high temperature in September: 23.6°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 (10.7°C).

  • Average low temperature in September: 20.7°C

The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8°C).

[Resources]

Average pressure in September
Hvar, Croatia

Average pressure in September - Hvar, Croatia
  • Average pressure in September: 1015.9mbar

The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).

[Resources]

Average wind speed in September
Hvar, Croatia

Average wind speed in September - Hvar, Croatia
  • Average wind speed in September: 14.6km/h

The windiest month (with the highest average wind speed) is February (21km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).

[Resources]

Average humidity in September
Hvar, Croatia

Average humidity in September - Hvar, Croatia
  • Average humidity in September: 65%

Months with the highest relative humidity are April and November (71%).
The month with the lowest relative humidity is August (64%).

[Resources]

Average rainfall in September
Hvar, Croatia

Average rainfall in September - Hvar, Croatia
  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is November (109mm).
The driest month (with the least rainfall) is August (16mm).

[Resources]

Average rainfall days in September
Hvar, Croatia

Average rainfall days in September - Hvar, Croatia
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is November (14.1 days).
The month with the least rainy days is August (4.9 days).

[Resources]

Average snowfall in September
Hvar, Croatia

Average snowfall in September - Hvar, Croatia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

[Resources]

Average snowfall days in September
Hvar, Croatia

Average snowfall days in September - Hvar, Croatia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in September
Hvar, Croatia

Average sea temperature in September - Hvar, Croatia
  • Average sea temperature in September: 23.9°C

The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).

[Resources]

Average daylight in September /
Average sunshine in September
Hvar, Croatia

Average daylight in September / Average sunshine in September - Hvar, Croatia
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 10.7h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is February (Average sunshine: 5.8h).

[Resources]

Average sunshine days in September
Hvar, Croatia

Average sunshine days in September - Hvar, Croatia
  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is February (14.3 days).

[Resources]

Average UV index in September
Hvar, Croatia

Average UV index in September - Hvar, Croatia
  • Average UV index in September: 5

Months with the highest UV index are July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

[Resources]

Average cloud cover in September
Hvar, Croatia

Average cloud cover in September - Hvar, Croatia
  • Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).

[Resources]

Average visibility in September
Hvar, Croatia

Average visibility in September - Hvar, Croatia
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location