World Resorts Slovenia Strunjan Weather

Strunjan Sea Temperature in September

Average sea water temperature in September:
+74.3°F
Minimum sea water temperature in September: 82.6°F
Maximum sea water temperature in September: 68.9°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 78.4°F. The highest and lowest sea temperatures during the month were 81.5°F and 75.4°F.

Monthly sea water temperature in Strunjan, °F

Which Slovenia resorts have warmest sea in September?

Place name September 2026 September 2025
Portoroz 78.6°F 75.3°F
Piran 78.6°F 75.3°F
Strunjan 78.4°F 75.2°F
Koper 78.3°F 75.2°F
Isola 78.2°F 75.1°F
Cerkno 76.6°F 73.6°F
Bohinjsko Jezero 76.4°F 73.3°F
Dolenjske Toplice 76.0°F 71.7°F

Best time for vacation in Strunjan

Sunniest months:
August 23 days
July 21 days
June 20 days
Warmest months:
August 85.4 °F
July 84.8 °F
June 80.4 °F
Warmest sea temp:
August 78.7 °F
July 78.4 °F
September 74.3 °F
Coldest months:
January 45.5 °F
December 47.9 °F
February 48.5 °F
Rainiest months:
May 7 days
November 6 days
September 6 days
Windiest months:
February 6.4 mph
March 6.3 mph
November 6.1 mph

Strunjan on a weather map

Current weather
16:13
Strunjan
+72°F
SW 7 mph
Feels like: +75°F
Precip.: 1%
Places in Slovenia:
Name
°F
Bled
+57°F
Bohinjsko Jezero
+59°F
Dolenjske Toplice
+64°F
Isola
+72°F
Koper
+72°F
Kranjska Gora
+59°F
Ljubljana
+64°F
Maribor
+63°F
Moravske Toplice
+64°F
Piran
+72°F
Portoroz
+72°F
Rogaska Slatina
+64°F
Strunjan
+72°F
Cerkno
+61°F
Smarjeske Toplice
+64°F
all places
24 Hours Forecast
Strunjan
Local time: 16:13
September 22, tuesday
1800
66°F
W
3 mph
2100
57°F
W
5 mph
September 23, wednesday
0000
54°F
W
6 mph
0300
54°F
W
5 mph
0600
52°F
W
4 mph
0900
57°F
W
3 mph
1200
66°F
SE
3 mph
1500
68°F
SE
6 mph
Units of measurement: °C / °F