Water temperature in Inverkip in September

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Is it warm enough to swim in Inverkip in September? Average water temperature in Inverkip in September is 13.6°C and therefore is not suitable for comfortable swimming. The warmest sea in Inverkip in September is 16.5°C, and the coldest is 11.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Inverkip

Changes water temperature in Inverkip in September 2025, 2024

To get an accurate forecast for the water temperature in Inverkip for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Inverkip, 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	15.4°C	14.5°C	13.9°C	15.4°C
2 September	15.5°C	14.3°C	13.7°C	15.5°C
3 September	15.3°C	14.3°C	13.6°C	15.3°C
4 September	15.1°C	14.1°C	13.5°C	15.3°C
5 September	15.1°C	14.6°C	13.3°C	15.2°C
6 September	15°C	14.4°C	13.3°C	15.4°C
7 September	15.1°C	15°C	13.2°C	15.6°C
8 September	15.3°C	14.8°C	13.4°C	16.5°C
9 September	14.9°C	14.6°C	13.1°C	16.1°C
10 September	14.7°C	14.3°C	13°C	15.7°C
11 September	14.6°C	14°C	12.9°C	16°C
12 September	14.4°C	13.7°C	12.7°C	15.5°C
13 September	14.4°C	13.6°C	12.7°C	15.3°C
14 September	14.3°C	13.6°C	12.3°C	15.4°C
15 September	14.2°C	13.3°C	12.5°C	15.2°C

Day	2025	2024	Min	Max
16 September	14.5°C	13.3°C	12.5°C	14.7°C
17 September	14.3°C	13.8°C	12.5°C	14.6°C
18 September	14.2°C	14°C	12.4°C	14.4°C
19 September	14.1°C	13.9°C	12.5°C	14.4°C
20 September	14.1°C	13.9°C	12.2°C	14.1°C
21 September	14°C	13.6°C	12.1°C	14.1°C
22 September	14°C	13.6°C	12.1°C	14.1°C
23 September	13.6°C	13.5°C	12°C	14.1°C
24 September	13.8°C	13.5°C	12°C	14°C
25 September	13.8°C	13.4°C	12.1°C	14.1°C
26 September		13.4°C	12.2°C	14.2°C
27 September		13.3°C	12.2°C	14.1°C
28 September		13.2°C	12.1°C	14°C
29 September		13°C	11.8°C	13.8°C
30 September		13.1°C	11.9°C	13.7°C

Average water temperature in Inverkip in September over a decade

2015	2016	2017	2018	2019
12.9°C	14°C	13.8°C	13.3°C	13.8°C

2020	2021	2022	2023	2024
13.4°C	13.9°C	14°C	14.8°C	13.8°C

Inverkip sea state in September

Chart comparing the height of waves in Inverkip 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.

Inverkip 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
Gourock	13.6°C	11.8°C	16.4°C
Rhu	13.6°C	11.8°C	16.4°C
Port Glasgow	13.6°C	11.8°C	16.3°C
Rothesay	13.7°C	12.1°C	16.5°C
Isle of Bute	13.7°C	12.1°C	16.5°C
Port Bannatyne	13.7°C	12.1°C	16.5°C
Largs	13.9°C	12.3°C	16.2°C
Millport	13.9°C	12.2°C	16.3°C
Fairlie	14°C	12.4°C	16.4°C
Loch Fyne	13.6°C	12°C	15.7°C

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Our report for Inverkip 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature