Water temperature in Narvik in September

Is it warm enough to swim in Narvik in September? Average water temperature in Narvik in September is 10.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Narvik in September is 15.1°C, and the coldest is 7.9°C. Average high air temperature in Narvik in September is 12°C, and average low temperature is 6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Narvik

Changes water temperature in Narvik in September 2025, 2024

To get an accurate forecast for the water temperature in Narvik for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Narvik, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	13.4°C	14°C	10.8°C	14°C
2 September	13.1°C	14.2°C	10.5°C	14.2°C
3 September	12.7°C	14.7°C	10.2°C	14.7°C
4 September	13.9°C	14.4°C	9.8°C	14.4°C
5 September	14°C	14.3°C	9.5°C	14.3°C
6 September	13.7°C	14.6°C	9.5°C	14.6°C
7 September	14.4°C	14.2°C	9.2°C	14.4°C
8 September	14°C	15.1°C	9.4°C	15.1°C
9 September		14.7°C	9.5°C	14.7°C
10 September		14.5°C	9.6°C	14.5°C
11 September		14.5°C	9.7°C	14.5°C
12 September		15°C	9.8°C	15°C
13 September		14.8°C	9.9°C	14.8°C
14 September		14.5°C	9.7°C	14.5°C
15 September		14.2°C	9.6°C	14.2°C

Day	2024	Min	Max
16 September	14.4°C	9.6°C	14.4°C
17 September	13.9°C	9.4°C	13.9°C
18 September	13.8°C	9.3°C	13.8°C
19 September	14.4°C	9.2°C	14.4°C
20 September	14.3°C	9.1°C	14.3°C
21 September	13.7°C	9°C	13.7°C
22 September	13.2°C	8.9°C	13.2°C
23 September	12.8°C	8.8°C	12.8°C
24 September	13.3°C	8.7°C	13.3°C
25 September	12.8°C	8.6°C	12.8°C
26 September	12.5°C	8.5°C	12.5°C
27 September	12.3°C	8.2°C	12.3°C
28 September	12°C	8.1°C	12°C
29 September	12.6°C	8.1°C	12.6°C
30 September	12.1°C	7.9°C	12.1°C

Average water temperature in Narvik in September over a decade

2015	2016	2017	2018	2019
10.5°C	10.1°C	10.9°C	11.9°C	10.7°C

2020	2021	2022	2023	2024
10.9°C	10.2°C	10.2°C	11°C	13.9°C

Narvik sea state in September

Chart comparing the height of waves in Narvik in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Narvik in September

This data display average monthly climate indicators in Narvik in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature12°C
Average LOW temperature6°C
Average rainfall days15 days
Average rainfall3.6''/91mm
Average daylight13h
Average sunshine3h
Average UV index1

Narvik water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Bogen	10.7°C	8.2°C	15.4°C
Ballangen	10.7°C	8.2°C	15.1°C
Evenskjer	10.7°C	8.7°C	14.5°C
Tennevoll	10.3°C	8.2°C	14.2°C
Kjopsvik	11.2°C	9.2°C	15.7°C
Lodingen	11.3°C	9.4°C	15.2°C
Skrollsvika	10.8°C	8.8°C	14.6°C
Sortland	11°C	9.1°C	14.6°C
Sorreisa	10.7°C	8.7°C	14.9°C
Finnsnes	10.7°C	8.7°C	15.3°C

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Our report for Narvik is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature