Sveti Stefan
Montenegro
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sveti Stefan, Montenegro

September, the first month of the autumn, in Sveti Stefan, is also a moderately hot month, with average temperature varying between 13°C (55.4°F) and 23°C (73.4°F).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 27°C (80.6°F) in August, to a still warm 23°C (73.4°F). In Sveti Stefan, in September, the average low-temperature is 13°C (55.4°F).

Rainfall

In Sveti Stefan, Montenegro, in September, during 8 rainfall days, 101mm (4") of precipitation is typically accumulated. In Sveti Stefan, during the entire year, the rain falls for 134 days and collects up to 1429mm (56.3") of precipitation.

Sea temperature

In September, the average sea temperature in Sveti Stefan is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

The average length of the day in Sveti Stefan is 12.5h.

Sunshine

In September, the average sunshine is 8h.

UV index

In Sveti Stefan, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the average person.
In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Sveti Stefan?

In Sveti Stefan, in September, the average high-temperature is 23°C (73.4°F), and the average low-temperature is 13°C (55.4°F).

How many days does it rain in September in Sveti Stefan?

In Sveti Stefan, in September, it is raining for 8 days, with typically 101mm (4") of accumulated precipitation.

What is the sea temperature in September in Sveti Stefan?

In Sveti Stefan, the average seawater temperature in September is 23°C (73.4°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) 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°C (73.4°F).

How many hours of daylight does Sveti Stefan have in September?

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

How long on average sun shines in September in Sveti Stefan?

In Sveti Stefan, the average sunshine in September is 8h.

How high is the UV index in September in Sveti Stefan?

In September, the average daily maximum UV index in Sveti Stefan is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in September - Sveti Stefan, Montenegro
  • Average high temperature in September: 23°C

Warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (7°C).

  • Average low temperature in September: 13°C

Months with the highest average low temperature are July and August (16°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average rainfall in September - Sveti Stefan, Montenegro
  • Average rainfall in September: 101mm

The wettest month (with the highest rainfall) is November (190mm).
The driest month (with the lowest rainfall) is July (51mm).

Average rainfall days in September - Sveti Stefan, Montenegro
  • Average rainfall days in September: 8 days

Months with the highest number of rainy days are April and November (14 days).
Months with the lowest number of rainy days are July and August (7 days).

Average sea temperature in September - Sveti Stefan, Montenegro
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are January, February and March (14°C).

Average daylight in September / Average sunshine in September - Sveti Stefan, Montenegro
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in September - Sveti Stefan, Montenegro
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).