What is the weather like in Tromsø in September?

Expect temperatures between 6°C and 11°C with 46% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Tromsø in September?

Tromsø in September scores 62/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Tromsø in September?

September in Tromsø is ideal for: Cultural tourists, Business travelers.

Tromsø Weather in September | 30-Year Forecast

Avg High

11°C

Hottest around day 1

Avg Low

6°C

Coolest around day 30

Rainy Days

30days

46% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Tromsø

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

NOK

kr Norwegian krone

Language

Norwegian Nynorsk

+2 more

Driving

Right side

Connect

Tromsø has a goodcellular4G and 5G signa...

Safety

Very High Safety

GPI: 1.465

Travel Intelligence

Exclusive flight analytics & health data for Tromsø

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Low Traffic

26/ 100

Traffic Index

Quieter airport

Peak Daily Arrivals

slots per day

Peak

Jan

Low

Nov

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Oslo Gardermoen (OSL)

Hammerfest (HFT)

Alta (ALF)

Bodø (BOO)

Bergen Flesland (BGO)

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

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

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

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 Norway.If rabies exposures occur while in Norway, rabies vaccines are typically available throughout most of the country.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 Tromsø?

👌Decent conditions for most activities(62/100)

Short Answer

Rain dominates Tromsø in September (46% probability, 3mm average). Prices are lower but outdoor activities require backup plans. Umbrella is essential.

Decision Factors

Vaccinations required

Yellow Fever

Very high humidity

86% average humidity

Frequent rainfall expected

46% chance of rain - pack waterproofs

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Shoulder season - balanced conditions

79% of peak - good value with moderate crowds

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only undefined°C - too cold for comfortable swimming
👴
Elderly travelers
86% humidity creates difficult conditions
📸
Photographers
78% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Tromsø in September averages 11°C with 46% precipitation probability."

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

Frequently Asked Questions: Tromsø in September

What are the temperatures in Tromsø in September?

Daytime highs average 11°C, nights drop to 6°C. Temperatures remain fairly consistent.

How many rainy days in Tromsø in September?

Expect around 30 days with measurable rainfall. An umbrella is advisable.

What to wear in Tromsø in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Tromsø?

This is off-peak season. Expect lower prices and fewer crowds.

Tromsø Weather in September

Tromsø September Weather Calendar