Walvis Bay — Water Temperature in September

Water Temperature Range

10°C

minimum

13°C

average

16°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
SEP 1	-	13°C	13°C	13°C
SEP 2	14°C	13°C	13°C	13°C
SEP 3	14°C	12°C	12°C	12°C
SEP 4	14°C	13°C	13°C	13°C
SEP 5	13°C	12°C	12°C	12°C
SEP 6	13°C	13°C	13°C	13°C
SEP 7	13°C	13°C	13°C	13°C
SEP 8	14°C	12°C	12°C	12°C
SEP 9	13°C	13°C	13°C	13°C
SEP 10	12°C	13°C	13°C	13°C
SEP 11	12°C	13°C	13°C	13°C
SEP 12	14°C	13°C	13°C	13°C
SEP 13	14°C	12°C	12°C	12°C
SEP 14	14°C	13°C	13°C	13°C
SEP 15	14°C	12°C	12°C	12°C
SEP 16	15°C	12°C	12°C	12°C
SEP 17	15°C	12°C	12°C	12°C
SEP 18	14°C	13°C	13°C	13°C
SEP 19	14°C	12°C	12°C	12°C
SEP 20	13°C	12°C	12°C	12°C
SEP 21	14°C	13°C	13°C	13°C
SEP 22	14°C	12°C	12°C	12°C
SEP 23	-	13°C	13°C	13°C
SEP 24	-	13°C	13°C	13°C
SEP 25	-	12°C	12°C	13°C
SEP 26	-	12°C	12°C	13°C
SEP 27	-	12°C	12°C	13°C
SEP 28	-	12°C	12°C	12°C
SEP 29	-	12°C	12°C	13°C
SEP 30	-	12°C	12°C	12°C

September: Climate and Swimming Opportunities

Average Night Air Temperature

11°C

Average Day Air Temperature

22°C

Precipitation Amount per Month

0 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

6 hrs

Average Wind Speed

16 km/h

Average Humidity

71%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.