September weather forecastRabac, Croatia

September

Weather in September

The first month of the autumn, September, is still a warm month in Rabac, Croatia, with temperature in the range of an average high of 23°C (73.4°F) and an average low of 13°C (55.4°F).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's warm 27°C (80.6°F) to a still moderately hot 23°C (73.4°F). Rabac reports a consistent average low-temperature of 13°C (55.4°F) throughout September nights.

Rainfall

In September, the rain falls for 12 days. Throughout September, 118mm (4.65") of precipitation is accumulated. Throughout the year, in Rabac, there are 152 rainfall days, and 1193mm (46.97") of precipitation is accumulated.

Sea temperature

In Rabac, the average seawater temperature in September is 23.4°C (74.1°F).
Note: Swimming in 23.4°C (74.1°F) can be enjoyable or not, depending on how you feel about the cold and conditions such as sunshine, wind, and the day's temperature. FYI: Olympic standards dictate waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September in Rabac, sunrise is at 06:25 and sunset at 19:40. On the last day of the month, sunrise is at 07:00 and sunset at 18:45 CEST.

Sunshine

In September, the average sunshine is 7h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

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

In September, in Rabac, Croatia, the rain falls for 12 days. Throughout September, 118mm (4.65") of precipitation is accumulated.

In Rabac, the average seawater temperature in September is 23.4°C (74.1°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 23.4°C (74.1°F).

The average day length in September in Rabac is 12h and 32min.

In September, on the first day of the month, sunrise is at 06:25 and sunset at 19:40. On the last day of the month, sunrise is at 07:00 and sunset at 18:45 CEST.

In Rabac, the average sunshine duration in September is 7h.

In Rabac, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average UV index

Average temperature in September
Rabac, Croatia

  • Average high temperature in September: 23°C

The warmest months (with the highest average high temperature) are July and August (27°C).
The month with the lowest average high temperature is January (8°C).

  • Average low temperature in September: 13°C

The months with the highest average low temperature are July and August (16°C).
The coldest months (with the lowest average low temperature) are January and February (1°C).

Average rainfall in September
Rabac, Croatia

  • Average rainfall in September: 118mm

The wettest month (with the highest rainfall) is November (145mm).
The driest month (with the least rainfall) is July (66mm).

Average rainfall days in September
Rabac, Croatia

  • Average rainfall days in September: 12 days

The months with the highest number of rainy days are April, May, June and November (14 days).
The months with the least rainy days are July and August (11 days).

Average sea temperature in September
Rabac, Croatia

  • Average sea temperature in September: 23.4°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 (10.7°C).

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

  • Average daylight in September: 12h and 30min

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: 7h

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

Average UV index in September
Rabac, Croatia

  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).