Measurements:
°C
°F
Portoroz
38°F
N 4 mph
Feels like: 34°F
Precip: 0%
World Resorts Slovenia Portoroz Weather September Weather in Portoroz

Portoroz Weather: September

Average Day Temperature: 77.9°F
Average Night Temperature: 60.9°F
Sea Water Temperature: 76.8°F
Number of Sunny Days: 19 days
Sunshine Hours: 11.8 - 13.3 hours
Number of Rainy Days: 6 days
Precipitation Totals: 4.3 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 95°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 76.3°F и 62.1°F respectivly.

Portoroz Water Sea Temperature in September, °F

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Portoroz was 78.8°F. The maximum and minimum values were 72.0°F and 86.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Portoroz is 4.3 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Portoroz in September is 8.9 hours.

Best Time to Visit Portoroz
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 89.1 °F
July 89.0 °F
June 83.3 °F
Warmest sea temperature:
August 82.0 °F
July 81.5 °F
September 76.8 °F
The most cold months:
January 44.9 °F
December 47.5 °F
February 48.2 °F
The most rainy months:
November 7 days
May 7 days
September 6 days
The most windy months:
February 6 mph
March 6 mph
November 6 mph

Portoroz on the Weather Map

Slovenia Resorts:
NAME
Bled +28
Bohinjsko Jezero +30
Bovec +34
Cerkno +30
Dolenjske Toplice +30
Isola +38
Koper +38
Kranjska Gora +28
Ljubljana +32
Maribor +26
Moravske Toplice +32
Piran +38
Portoroz +38
Rogaska Slatina +30
Strunjan +38
24 Hours Weather Forecast
Portoroz
Local time: 06:05
25 nov, monday
0900 40°F
N
3 mph
1200 52°F
NE
5 mph
1500 50°F
NE
4 mph
1800 48°F
N
2 mph
2100 42°F
NE
2 mph
26 nov, tuesday
0000 42°F
NE
2 mph
0300 42°F
N
1 mph
0600 42°F
NW
1 mph