Norway Weather in September 2025: Travel Tips for First-Timers

Throughout most of Norway at the low elevations, September's weather is generally mild and pleasant for outdoors activities and recreation. September is a month with moderate tourism as fewer international tourists fly in than in the summer.

Read on for our weather information and travel advice including average temperatures and rainfall, places to go, and travel tips…

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• 1. Weather Overview
• 2. Best Places to Visit
• 3. Touring Advice
• 4. What to Wear

Norway Weather in September: Overview

Averages:

• Temperature range: 8–14°C (47–58°F)
• Total rain/snow: 14 cm (6 inches)
• Days with rain/snow: 14
• Humidity: 80%
• Sunshine hours/day: 4 hours

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September Climate Comparison (Averages) for Norway's Top Tourism Areas

In September, almost the whole of Norway at the low elevations has mild temperatures during the day, cool temperatures at night, and moderate rainfall. The weather, long daily daylight hours, and sunlight makes pleasant touring conditions. September is a good time for adventure, hiking, and touring cities.

Southern region: Oslo, Bergen, and the other big cities near the southern coast are located at about 60° degrees latitude. The average high at low elevations is about 16°C (61°F). The 74% average humidity makes the days feel milder. The temperature is often warm. The average nightly low is 9°C (48°F).

Northern region: Arctic tourism towns such as Tromsø and Bodø are within the Arctic Circle north of latitude 69°. These towns have occasional auroras, much daylight, and lingering twilight for outdoor activities. The average daily highs are cool at 10°C (50°F) or lower depending on the latitude.

The Best Places to Visit in Norway in September

Touring in September features mild or cool days lasting from 11 to 18 hours, depending on latitude, which offer enjoyment of a variety of activities. In the Arctic Circle, you can experience its special highlights (see Tromsø below), hike, and see epic scenery. You could tour the southern cities and experience the outdoors.

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1. Oslo — Experience Nature and City Highlights in Pleasant Weather

The Capital has an average daily high of 16°C (61°F) in September and 13 hours of daylight on average. Many days have warm temperatures, and the average 4 hours of daily sunshine and 70% humidity help make you feel comfortable too. The average low is 8°C (46°F).

September has a good combination of light and warmth for pleasantly touring the Oslo area. You could visit the Viking Ship Museum or learn about Norwegian history at the Museum of Oslo. Akershus Fortress has walking paths, the Norway Resistance Museum, and the Norwegian Armed Forces Museum inside.

The daylight for sightseeing and being outdoors decreases noticeably from September 1 when there are 14 hours of daylight, to September 30, when there are about 11½ hours of daylight. Oslofjord is a large fjord included in a boat tour of Oslo and the nearby countryside.

2. Ålesund — See the Town, Beautiful Fjords, and Countryside in Autumn Colors

Ålesund is a port town on the western coast of Norway at the entrance to the famed Geirangerfjord. You could use the town as your base for exploring the central coast of Norway at latitude 62°. Hjørundfjorden is called one of the most beautiful, and you can see it by boat.

The average highs are a cool 14°C (58°F). The nightly lows are 10°C (49°F). There are 13 hours of daylight on average. There are about 3½ hours of sunshine on average for added warmth. It is quite a rainy month with high rainfall. It rains almost every day.

From Ålesund, you could take a cruise boat to Hjørundfjorden and visit towns such as Trandal. This will give you a chance to walk in the countryside, see the fruits of harvest and taste the cuisine.

3. Bergen — See the Fjords, Waterfalls, and Countryside, Hike in Fall Colors, and Enjoy the Fruit

Bergen is a port city with epic natural places to hike and see fjords and waterfalls. In September, the tourism moderates, and you can enjoy the beauty of fall colors and the rich harvest fruits. At the Bergen Food Festival in September, you can learn about and eat the agricultural heritage.

The temperature is mild. There average daily high is 16°C (61°F), and the average low is 10°C (50°F). There are about 4 hours of sunshine, and the rainfall is very high falling on an average of 17 days. The harvest produces fresh juices, fruits, and jams you can try. The Bergenhuss Fortress is great for sightseeing and learning about history.

This is good weather for cruises and hikes, and Hardangerfjord is one of Norway's best. It is full of orchards and farms in autumn colors and natural places to hike such as a Hardangervidda National Park. Hardangerfjord is 90 minutes from Bergen and has white peaks, great food, and sightseeing boats.

4. Tromsø — Enjoy Both the Northern Lights and Daylight Adventures

In September, Tromsø receives about an equal number of hours of day and nighttime, about 13 hours of day on average, so days will feel normal to you. You may find it more pleasant to visit the town when there are relatively fewer tourists around.

The average daily high is 10°C (50°F). The nightly lows are 5°C (41°F). Tromsø isn't much cooler than the southern cities, and there an attractive mix of lower prices compared to the peak travel times and more light for outdoors activities.

You can experience how quickly the night replaces the daylight hours, and there are long and soothing hours of eerie twilight for outdoors activities and a chance to glimpse an aurora. Tromsø is called the Gateway to the Arctic because it has an international airport and is in the Arctic Circle.

Moderate Tourism Season: Touring Advice for September

September is in a moderate tourism season. Schools and universities are in session by the end of August in Norway and many other countries. The increasing darkness and cooler weather also keeps the heavy tourist crowds away.

So prices moderate, and Norway becomes more peaceful. The longer nights begin the season of aurora sightings in the north such as at Tromsø near the Arctic Circle. You can enjoy outdoor activities in the long twilight hours, find a restaurant, and stroll in the cities, countryside and wilderness.

You can often find lower prices for flights and accommodations and more availability. September is a month to see the fjords when prices and crowds moderate and there are still mild temperatures.

In Tromsø, close to the Arctic Circle, the beginning of September has a little more than 15 hours of daylight. If you want to go to a place with more sunshine, then Longyearbyen (on the island of Svalbard well north of mainland Norway) is a place to go with more than 18 hours of sunshine at the beginning of the month.
There are no national holidays in September.

What to Wear in September

In September, the tourist areas in the Arctic Circle have unpredictable weather, and there is snowfall at times. You can be the most comfortable by dressing in layers and bringing raingear wherever you go in Norway. Bring a coat and keep watch on the weather forecasts.

Here is a packing list for a few essentials in Norway:

• Comfortable shoes with good traction
• Warm waterproof boots with good traction for the outdoors. You might wear them in-flight to travel lightly.
• Coat and warm hat
• Rain gear
• Swimwear for hot springs and spas
• Cardigans or thermals
• Some summer clothes
• Polarized glasses
• Gloves

Monthly Weather and Travel Information for Norway

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