What is the weather like in Piran in September?

Expect temperatures between 17°C and 23°C with 29% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Piran in September?

Piran in September scores 67/100 based on 30 years of climate data. Recommended for planning your trip.

Who should visit Piran in September?

September in Piran is ideal for: Beach lovers, Families with children, Elderly travelers, Photographers, Cultural tourists.

Piran Weather in September | 30-Year Forecast

Avg High

23°C

Hottest around day 1

Avg Low

17°C

Coolest around day 30

Rainy Days

21days

29% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

24°C

Monthly Average

Water Feel

☀️Warm

Perfect for swimming and water sports

Swim Rating

✅Excellent for swimming

Based on average sea surface temperature

Body of Water

Coastal Waters

Ocean

Piran coastline

Essential Travel Info for Piran

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

EUR

€ Euro

Language

Slovene

Driving

Right side

Safety

Very High Safety

GPI: 1.316

Travel Intelligence

Exclusive flight analytics & health data for Piran

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote

13/ 100

Traffic Index

Off the beaten path

Peak Daily Arrivals

slots per day

Peak

Jul

Low

Jan

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Belgrade Nikola Tesla (BEG)

Frankfurt-am-Main (FRA)

Munich (MUC)

Zurich Kloten (ZRH)

Amsterdam Schiphol (AMS)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Slovenia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Slovenia. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Slovenia.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Slovenia.If rabies exposures occur while in Slovenia, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Piran?

👍Recommended for planning your trip(67/100)

Short Answer

Beach lovers rejoice: Piran's September features 24°C sea temperatures alongside 23°C air temps. Just 29% rain risk makes this prime swimming season.

Decision Factors

Vaccinations required

Yellow Fever

Ideal temperature range

23.2°C - perfect for sightseeing and outdoor activities

Pleasant swimming conditions

24°C sea temperature

Health precautions needed

Be aware of: Leptospirosis, Crimean-Congo Hemorrhagic fever, Leishmaniasis

Plenty of sunshine

9.8h of sunshine daily

Calm, family-friendly seas

0.34m wave height - Lake-like

Good For

🏖️
Beach lovers
24°C warm seas and 29% rain probability
👨‍👩‍👧‍👦
Families with children
Comfortable 23.2°C temperatures and low 29% rain risk
👴
Elderly travelers
Comfortable 23.2°C temperature range with manageable humidity
📸
Photographers
9.8h sunshine, 53% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites

Who Should Avoid

Suitable for most traveler types

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Piran in September averages 23°C with 29% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Piran in September

What are the temperatures in Piran in September?

Daytime highs average 23°C, nights drop to 17°C. Temperatures remain fairly consistent.

How many rainy days in Piran in September?

Expect around 21 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Piran in September?

Comfortable casual wear with a light jacket for evenings.

Is September peak season in Piran?

This is shoulder season—moderate prices and manageable crowds.

Piran Weather in September