September weather forecast
Petrovac, Montenegro

With the advent of September, Petrovac begins to welcome autumn, alongside a noticeable reduction in temperatures to around 23°C (73.4°F). The frequency of rainfall displays an onset of escalation, marking more indoor activities. The decline in sea temperatures call upon the closure of the swimming season. October, however, marks a notable transition from the mild temperatures to the cooler days of late fall.

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 27°C (80.6°F) in August to a still warm 23°C (73.4°F). Throughout September, Petrovac encounters an average temperature drop to a mild 13°C (55.4°F).

Rainfall

In Petrovac, in September, it is raining for 8 days, with typically 101mm (3.98") of accumulated precipitation. Throughout the year, in Petrovac, there are 134 rainfall days, and 1429mm (56.26") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 23°C (73.4°F).
Note: Imagine a swim in 23°C (73.4°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

In Petrovac, the average length of the day in September is 12h and 29min.
On the first day of September in Petrovac, sunrise is at 06:10 and sunset at 19:18. On the last day of the month, sunrise is at 06:40 and sunset at 18:27 CEST.

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in September translates into these instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice! The reflection of water and sand increases the UV radiation significantly.