South Norway weather in September 2025
South Norway weather in September 2025
Day
15 °C
Night
9 °C
Sea
14 °C
Precipitation
139 mm
in month
Rainy days
16 days
in month
Daylight
13 hours
average
Sunshine
4 hours
average
Humidity
80 %
Day
15 °C
Night
9 °C
Sea
14 °C
Precipitation
139 mm
in month
Rainy days
16 days
in month
Daylight
13 hours
average
Sunshine
4 hours
average
Humidity
80 %
Overview: South NorwayThe picturesque South Norway, a region of stunning landscapes, attracts everyone with charming coastal towns, and rich cultural heritage. Explore the idyllic beauty of the Norwegian fjords, such as the famous Geirangerfjord and Hardangerfjord, with their cascading waterfalls and emerald-green waters. Immerse yourself in the vibrant cities of Oslo and Bergen, known for their historic architecture, world-class museums, and lively atmosphere. Experience outdoor adventures like hiking, kayaking, and fishing, or simply unwind on the tranquil beaches along the southern coast. South Norway promises a perfect blend of natural wonders, cultural exploration, and Scandinavian charm.
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Weather overview and FAQs
Weather overview
In South Norway in September, the average air temperature ranges from 15 °C (58 °F) during the day to 9 °C (48 °F) at night. There are 16 days of rain on average, where the rainfall is 139 mm (5.48 in).
Are there good conditions to visit in South Norway in September?
South Norway can be visited in September - the weather will be moderate. A relatively low temperature of 15 °C (58 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the temperature in South Norway during the day in September?
In South Norway in September, the average daily temperatures will be 15 °C (58 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.
How many rainy days can I expect in September in South Norway?
In South Norway in September, we can expect 16 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.6 days of the week, or in general - 52 % days.
Is South Norway rainier in September than in August?
No, September in South Norway is not a rainier month than August.
What is the rainfall intensity in September in South Norway?
There is precipitation of 139 mm (5.48 in) in September in South Norway, which means 5 mm (0.18 in) rainfall per day on average.
What is the air temperature in September in South Norway at night?
The average night temperature in South Norway in September is 9 °C (48 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
What level of humidity is to expect in September in South Norway?
In South Norway in September, expect humidity around 80 %.
How many sunny hours can I expect in South Norway in September?
In September in South Norway, you can expect around 4 hours of sunshine.
How long is the day (from dawn till dusk) in South Norway in September?
The length of daylight in South Norway in September is 13 hours.
What is the temperature trend in South Norway in September?
During September in South Norway, the day temperatures are decreasing - from 16 °C (62 °F) at the beginning of the month to 12 °C (54 °F) at the end of the month.
How windy is South Norway in September?
An average wind scale that can be expected in South Norway in September is 4.
Is the weather in South Norway warmer in September than in August?
No, September is not warmer in South Norway than August.