September weather forecast
Šibenik, Croatia

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Weather in September

September in Šibenik marks a transitional phase from the torrid summer months towards the more temperate season of fall. While the temperature highs and lows decrease, the town still radiates summer vibes. A stark contrast from the anteceding months is the surge in rainfall, with 63mm registered in September, signaling the approach of chillier periods. Despite the slight dip, sea temperature remains pleasant and warm, averaging 23.8°C, suitable for swimming. The town becomes less crowded, restoring the tranquil aura for those seeking a peaceful retreat.

Temperature

The arrival of September in Šibenik corresponds with a light shift in temperature, down from a moderately hot 28.3°C in August to a still warm 23.5°C. Throughout September, the temperature in Šibenik tends to fall to a consistent average low of 17.9°C.

Humidity

In September, the average relative humidity in Šibenik is 64%.

Rainfall

In Šibenik, Croatia, in September, it is raining for 10.6 days, with typically 63mm of accumulated precipitation. In Šibenik, during the entire year, the rain falls for 143.1 days and collects up to 707mm of precipitation.

Snowfall

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

Sea temperature

In Šibenik, Croatia, the average seawater temperature in September is 23.8°C.
Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 23.8°C waters. (For comparison, the Olympic swimming standard is set between 25°C and 28°C.)

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of the month, sunrise is at 06:19 and sunset at 19:33. On the last day of September, in Šibenik, sunrise is at 06:52 and sunset at 18:40 CEST.

Sunshine

The average sunshine in September in Šibenik is 10.6h.

UV index

In Šibenik, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Caution! Sand and water reflections can notably increase the UV radiation intensity.
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FAQ

What are September temperatures in Šibenik?

The high-temperature during September is 23.5°C and the low-temperature is 17.9°C. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is appraised at 30°C.

What is the average humidity in September in Šibenik?

In Šibenik, Croatia, the average relative humidity in September is 64%.

How much does it rain in Šibenik in September?

In Šibenik, Croatia, in September, it is raining for 10.6 days, with typically 63mm of accumulated precipitation.

When it does not snow in Šibenik?

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

How warm is the water in September in Šibenik?

In September, the average sea temperature in Šibenik is 23.8°C. For individuals prone to feeling cold, swimming in 23°C is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.8°C.

What is the average length of the day in September in Šibenik?

The average day length in September is 12h and 31min.

What time are sunrise and sunset in September in Šibenik?

In September, on the first day of the month, sunrise is at 06:19 and sunset at 19:33. On the last day of the month, in Šibenik, Croatia, sunrise is at 06:52 and sunset at 18:40 CEST.

How long on average sun shines in September in Šibenik?

In September, the average sunshine duration is 10.6h.

What is the UV index intensity in September in Šibenik?

In September, the average daily maximum UV index in Šibenik, Croatia, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Šibenik, Croatia

Average temperature in September - Šibenik, Croatia
  • Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (9.2°C).

  • Average low temperature in September: 17.9°C

The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).

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Average pressure in September
Šibenik, Croatia

Average pressure in September - Šibenik, 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 (1013.7mbar).

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Average wind speed in September
Šibenik, Croatia

Average wind speed in September - Šibenik, Croatia
  • Average wind speed in September: 13.3km/h

The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).

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Average humidity in September
Šibenik, Croatia

Average humidity in September - Šibenik, Croatia
  • Average humidity in September: 64%

The month with the highest relative humidity is November (74%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in September
Šibenik, Croatia

Average rainfall in September - Šibenik, Croatia
  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is August (28mm).

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Average rainfall days in September
Šibenik, Croatia

Average rainfall days in September - Šibenik, Croatia
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is November (15.3 days).
The month with the least rainy days is August (7.9 days).

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Average snowfall in September
Šibenik, Croatia

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

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

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Average snowfall days in September
Šibenik, Croatia

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

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in September
Šibenik, Croatia

Average sea temperature in September - Šibenik, Croatia
  • Average sea temperature in September: 23.8°C

The best month for swimming (with the highest average sea temperature) is August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

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

Average daylight in September / Average sunshine in September - Šibenik, Croatia
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 42min).

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Average sunshine days in September
Šibenik, Croatia

Average sunshine days in September - Šibenik, Croatia
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is November (13.4 days).

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Average UV index in September
Šibenik, Croatia

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in September
Šibenik, Croatia

Average cloud cover in September - Šibenik, Croatia
  • Average cloud cover in September: 20

The months with the most cloud cover are January and February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in September
Šibenik, Croatia

Average visibility in September - Šibenik, 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).

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Šibenik, Croatia

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