Your trips
Organize your trips easily with tabs
New York
Narvik
Any date
+ Search
background

Narvik in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Narvik in September will be like? Take a look at our weather guide for Narvik, based on historical data.
Check flight prices to Narvik on Avionero:
September

Weather in Narvik in September 2025

OK Weather
Mild
🌧️
Rainy
🌊
Cold water
If you plan to visit Narvik in September, the weather is typically alright, with an average high temperature of +55°F during the day and approximately 1 sunny days. Expect some rainy, though, as there are typically 21 rainy days in the month and around 148 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+55°F
Avg. max. temperature
+18°F
Min.
+73°F
Max.
148 mm
Total precipitation
80%
Avg. humidity
1 m/s
Avg. wind
1 ☀️
Sunny Days
7 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Narvik has OK weather in September.

Average temperature in Narvik in September

Here are the expected maximum, average and minimum temperatures in Narvik for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +70°F during the day to a minimum of +39°F during the night, the temperature in September averages around +55°F.

The average maximum temperature goes down 6% by the end of the month, compared with the beginning of the month, from +59°F to +57°F.

Is Narvik warm or cold in September?

Narvik is typically mild in September.

Maximum temperatures go down compared to the previous month from +63°F to +55°F. The minimum temperature also goes down from +52°F to +45°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Narvik:

Water temperature in Narvik in September

Water in Narvik in September is Cold. It varies from +48°F to +55°F, with an average of +51°F. This is almost similar to the air temperature, which averages +55°F.

The water temperature in September is one of the warmest of the entire year:

The warmest water temperatures in Narvik are reached in August, when the average sea temperature rises to +54°F. The coldest water temperatures are in March, with an average of +39°F.

Can you swim in Narvik in September?

We would not recommend swimming in Narvik in September, the water is very cold (+51°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄‍♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.

Climate in Narvik in September

Narvik weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+63°F+55°F+45°F
Min. temperature
+37°F+18°F+1°F
Max. temperature
+86°F+73°F+66°F
Rainfall
134 mm148 mm134 mm
Wind
1 m/s1 m/s2 m/s
Avg. water temperature
+54°F+51°F+47°F
Humidity
78%80%80%
Air pressure
1010 HPa1008 HPa1006 HPa
Sunny days
211
Cloudy days
779
Rainy days
222115
Snowy days
006

September weather is still as ok as in August. It’s getting colder in September. From +63°F in the day, the average maximum temperature lowers to +55°F. Prepare for more rain. Average rainfall goes from 134 mm to 148 mm. Humidity rises from 78% to 80%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 2 sunny days in August to 1 in September.

October brings much the same weather, it remains ok.

Wind

Wind speed in Narvik in September based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Narvik is gradually increasing during September, going from 0 m/s to 0 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Narvik based on historical data.
Last Year
Historical Data
Typically, there is a 90% chance of rain on an average day in September, with total rainfall of approximately 180 mm. The maximum amount of rainfall per day is around 23 mm, which is considered light rain. September is a pretty wet month with over 27 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Narvik, here is a comparison with other months, total mm:
Narvik wettest month is September, where a typical day has a 70% chance of precipitation and 148 mm of rainfall per day. February, on the other hand, is the driest month with a mere 7% chance of precipitation and 64 mm of rainfall per day.

How was the weather last September in Narvik?

This is the weather in Narvik in September 2023:
1 September
☁️
+58°F
2 September
☁️
+60°F
3 September
🌧️
+57°F
4 September
🌧️
+53°F
5 September
🌧️
+51°F
6 September
🌧️
+54°F
7 September
☁️
+56°F
8 September
☁️
+67°F
9 September
☁️
+69°F
10 September
🌧️
+65°F
11 September
☁️
+56°F
12 September
🌧️
+52°F
13 September
🌧️
+49°F
14 September
🌧️
+48°F
15 September
☁️
+55°F
16 September
🌧️
+57°F
17 September
🌧️
+51°F
18 September
☁️
+55°F
19 September
☁️
+47°F
20 September
☁️
+48°F
21 September
☁️
+46°F
22 September
☁️
+55°F
23 September
🌧️
+55°F
24 September
☁️
+51°F
25 September
🌧️
+54°F
26 September
🌧️
+59°F
27 September
☁️
+60°F
28 September
☁️
+57°F
29 September
🌧️
+57°F
30 September
☁️
+57°F
In September 2023 Narvik had 0 sunny days, 16 cloudy days, and 14 rainy days. The average maximum temperature was +55°F, with an absolute maximum of +70°F and a minimum of +46°F. The average humidity was 83%, with a maximum of 100% and a minimum of 60%. The average wind speed was 1 m/s, with a maximum of 4 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Narvik climate has changed over the last 43 years.

The climate in Narvik in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1981 (+42°F) and the highest in 1990 (+47°F). The driest year was 1980 with only 664 mm of rainfall, and the wettest year was 1989 with 1620 mm.

FAQ

Frequently asked questions about the weather in Narvik in September:

Is September a good time to visit Narvik?

It’s always a good time to visit Narvik, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Narvik in September?

September has mild temperatures in Narvik. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Narvik in September?

Swimming in Narvik in September is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.

Is Narvik rainy in September?

Narvik is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Narvik in September?

Usually, it’s not very sunny in Narvik in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Norway

Check out the weather for other cities in Norway.

Monthly weather in Narvik

Source of the data

For this page, we’ve looked at the typical weather in Narvik, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.