16-day forecast — Piran
Updated every hour
Tue · Today
Light rain
+13°
+10°
29.9 mm
Wind5 km/h NW
Gusts13 km/h
UV index0 – Low
Chance of rain95%
Sunrise06:57
Sunset16:41
Wed · Tomorrow
Fog
+13°
+11°
12.1 mm
Wind5 km/h NW
Gusts15 km/h
UV index1 – Low
Chance of rain95%
Sunrise06:59
Sunset16:40
Thursday 12/11
Showers
+17°
+13°
26.4 mm
Wind27 km/h SE
Gusts62 km/h
UV index0 – Low
Chance of rain94%
Sunrise07:00
Sunset16:38
Friday 13/11
Showers
+18°
+7°
41.2 mm
Wind35 km/h NE
Gusts67 km/h
UV index3 – Moderate
Chance of rain91%
Sunrise07:02
Sunset16:37
Saturday 14/11
Clear
+11°
+2°
1.0 mm
Wind30 km/h NE
Gusts61 km/h
UV index4 – Moderate
Chance of rain57%
Sunrise07:03
Sunset16:36
Sunday 15/11
Clear
+11°
0°
9%
Wind12 km/h E
Gusts22 km/h
UV index3 – Moderate
Chance of rain9%
Sunrise07:04
Sunset16:35
Monday 16/11
Clear
+11°
+1°
14%
Wind7 km/h E
Gusts16 km/h
UV index3 – Moderate
Chance of rain14%
Sunrise07:06
Sunset16:34
Tuesday 17/11
Drizzle
+11°
+8°
21.4 mm
Wind12 km/h S
Gusts33 km/h
UV index3 – Moderate
Chance of rain92%
Sunrise07:07
Sunset16:33
Wednesday 18/11
Showers
+13°
+11°
7.1 mm
Wind4 km/h SW
Gusts14 km/h
UV index3 – Moderate
Chance of rain91%
Sunrise07:09
Sunset16:32
Thursday 19/11
Showers
+15°
+12°
5.0 mm
Wind8 km/h S
Gusts17 km/h
UV index3 – Moderate
Chance of rain88%
Sunrise07:10
Sunset16:31
Friday 20/11
Showers
+17°
+13°
1.9 mm
Wind10 km/h S
Gusts24 km/h
UV index4 – Moderate
Chance of rain78%
Sunrise07:11
Sunset16:30
Saturday 21/11
Showers
+17°
+13°
1.2 mm
Wind12 km/h S
Gusts31 km/h
UV index4 – Moderate
Chance of rain70%
Sunrise07:13
Sunset16:30
Sunday 22/11
Showers
+15°
+11°
7.0 mm
Wind12 km/h E
Gusts27 km/h
UV index3 – Moderate
Chance of rain89%
Sunrise07:14
Sunset16:29
Monday 23/11
Cloudy
+13°
+7°
0.8 mm
Wind13 km/h E
Gusts25 km/h
UV index3 – Moderate
Chance of rain60%
Sunrise07:15
Sunset16:28
Tuesday 24/11
Showers
+12°
+6°
1.6 mm
Wind14 km/h E
Gusts22 km/h
UV index2 – Low
Chance of rain—
Sunrise07:16
Sunset16:27
Wednesday 25/11
Showers
+11°
+6°
4.3 mm
Wind15 km/h SE
Gusts21 km/h
UV index2 – Low
Chance of rain—
Sunrise07:18
Sunset16:27
About Piran
Venezianisches Küstenstädtchen an der kurzen slowenischen Adriaküste.
CountrySlovenia
RegionIstrien
ContinentEurope
Time zoneEurope/Ljubljana (+01:00)
Latitude45.5278°
Longitude13.5706°
Air qualityFair (EAQI 21)
Climate in Piran in September
Normals 8 years · best time to visit · Open-MeteoBest time to visit Piran: May–September. With good weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 25°C | 20°C | ▼ 16°C |
| Highest temperature | ▼ 29°C | 24°C | ▼ 19°C |
| Lowest temperature | ▼ 21°C | 17°C | ▼ 13°C |
| Sea temperature | ▼ 26,2°C | 24,1°C | ▼ 20,2°C |
| Precipitation | ▲ 84 mm | 143 mm | ▼ 134 mm |
| Days with precipitation | ▲ 7 d | 10 d | → 10 d |
| Humidity | ▲ 64% | 73% | ▲ 78% |
| Sunshine hours per day | ▼ 12,3 h | 10,4 h | ▼ 8,3 h |
| Cloud cover | ▲ 12% | 17% | ▲ 24% |
| UV index (midday) | ▼ 9 | 7 | ▼ 4 |
| Day length | 14:03 | 12:32 | 10:56 |
| Our rating | Good | Good | Acceptable |
Temperature day by day in September mean + moving average
Precipitation day by day in September mm
UV index day by day in September midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in Europe
Weather Piran
Data source
Global weather models — international forecasts
Weather in Piran (Slovenia): current conditions plus a 24-hour and 16-day forecast for planning your trip. Right now on the ground: +11°, drizzle, wind 4 km/h. Over the next 7 days temperatures range between -0 and 18 °C, with 3 fine days and 111 mm of rain. Climatologically, highs in November are around 14 °C, with a sea temperature of about 17 °C. Best time to visit: usually May–September. Local time (time zone Europe/Ljubljana). Data from Open-Meteo and WeatherAPI.