Osp Weather in September

Osp in September averages 23°C (73°F) during the day and 14°C (57°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Osp in September

You can expect rain on around 12 days based on historical patterns, with 163 mm (6.4 in) average for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Osp in September

Temperatures in Osp in September top out at 23°C (73°F) and drop to 14°C (57°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Osp in September

The city usually sees around 211 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Average water temperature in September

The water temperature is 22°C (72°F), which most people find very comfortable. A good month for swimming and water sports.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Osp.

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For a detailed overview over the year and the best time to visit Slovenia, check out our Osp's climate page.

Osp Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 23°C (73°F)  

Water Temperature 22°C (72°F) *  

Chance of Rain 39%  

Precipitation 163 mm (6.4 in)  

Rainy days 12 days  

Humidity 67% *  

Sunshine 211 hours *  

Percentage Sunshine 54% *  

* Data from: Triest, Italy (12 KM, 7 Miles).

What to Wear in Osp in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Osp in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Slovenia, check out our Osp's climate page.

More climate data for Osp

Temperature Rainfall Sunshine Humidity Water Temp

See the full Osp climate overview or explore weather in Slovenia.