Škocjan, Slovenia — Weather in September 2026

Climate Overview

Škocjan, Slovenia in September has warm conditions, with highs averaging 24°C (75°F). Rain falls on about 10 days this month. Sea temperature averages 23.6°C (74°F).

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 26°C (79°F) at the start to 22°C (71°F) by month's end.

Rainfall is heaviest during the middle of the month, while the first third tends to be drier.

Expect around 11.0h of sunshine at the start of September, decreasing to 9.4h by the end.

The warmest days tend to fall around the 3th, averaging 26.2°C (79°F).

Compared to August, this month is about 5°C cooler with 3 more rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

24°C / 17°C

Feels Like

25°C / 17°C

Rain

10 days · 173 mm

Sunshine

9.8h / day

Humidity

72% — Humid

Wind

15 km/h

Wind Direction

ENE (74°)

Gusts

30 km/h

Daylight

12.5 h

Cloud Cover

48%

Clear Sky Days

6.6

UV Index

4.8 — Moderate

Sea Temperature

24°C

Dew Point

15°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:43

Daylight 12.6h

Sunset 19:16

What to Expect

Daytime temperatures around 24°C (75°F) are ideal for full-day outdoor exploration.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 3°C	6°C / -1°C	10days (90 mm) Wet	5.8h Fair	77% Humid	1.5 Low	Poor	View Details
February	11°C / 4°C	8°C / 1°C	10days (98 mm) Wet	6.8h Fair	76% Humid	2.3 Moderate	Poor	View Details
March	14°C / 6°C	11°C / 3°C	10days (90 mm) Wet	9h Good	71% Muggy	3.7 Moderate	Fair	View Details
April	17°C / 9°C	16°C / 7°C	10days (89 mm) Wet	10.5h Excellent	70% Muggy	5.2 High	Good	View Details
May	21°C / 14°C	21°C / 12°C	15days (127 mm) Wet	11.6h Excellent	74% Muggy	6.1 High	Good	View Details
June best	27°C / 19°C	29°C / 20°C	9days (79 mm) Wet	13h Excellent	71% Muggy	7 High	Excellent	View Details
July best	29°C / 21°C	32°C / 22°C	8days (62 mm) Wet	13.2h Excellent	66% Muggy	6.9 High	Excellent	View Details
August best	29°C / 21°C	32°C / 22°C	7days (86 mm) Good	12h Excellent	67% Muggy	6.2 High	Excellent	View Details
September best	24°C / 17°C	25°C / 17°C	10days (173 mm) Wet	9.8h Good	72% Muggy	4.8 Moderate	Excellent	View Details
October	19°C / 13°C	19°C / 11°C	11days (137 mm) Wet	8h Good	78% Humid	3 Moderate	Good	View Details
November	14°C / 8°C	12°C / 6°C	12days (163 mm) Wet	6.1h Fair	78% Humid	2 Low	Fair	View Details
December	10°C / 4°C	8°C / 1°C	9days (110 mm) Wet	5.3h Fair	79% Humid	1.4 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Škocjan?

September is typically excellent for visiting Škocjan, with average highs of 24°C (75°F) and around 10 rainy days. Škocjan, Slovenia in September has warm conditions, with highs averaging 24°C (75°F). Rain falls on about 10 days this m

Does it rain a lot in Škocjan in September?

Škocjan typically sees around 10 rainy days in September with 173 mm (6.8 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Škocjan in September?

Evenings in Škocjan during September are mild at 17°C (62°F). A light cardigan is usually enough.

What should I pack for Škocjan in September?

With highs of 24°C (75°F) and lows of 17°C (62°F) in September, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Škocjan?

Yes, September offers some of the best weather conditions in Škocjan with comfortable temperatures and lower chances of rain.

What is the UV index in Škocjan in September?

The average UV index in Škocjan during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Škocjan in September?

Škocjan gets approximately 13 hours of daylight per day in September, with around 10 hours of sunshine.

Does it snow in Škocjan in September?

Snow is uncommon in Škocjan during September based on 10-year climate averages.

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