Sea Temperature in Port Saint Johns in September

Complete information on the sea temperature range in the Indian Ocean in Port Saint Johns in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Port Saint Johns. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Port Saint Johns in September

18°C

MINIMUN

20.5°C

AVERAGE

23°C

MAXIMUM

Historical Data of Water Temperature in September in Port Saint Johns

Water Temperature Chart for Indian Ocean in Port Saint Johns in September

Sea Temperature Table in Port Saint Johns in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	21°C	19°C	21°C	20.5°C
Sep 2	21°C	19°C	22°C	20.8°C
Sep 3	21°C	18°C	22°C	20.3°C
Sep 4	21°C	18°C	22°C	20.5°C
Sep 5	20°C	19°C	22°C	20.5°C
Sep 6	21°C	18°C	22°C	20.5°C
Sep 7	21°C	18°C	22°C	20.5°C
Sep 8	22°C	18°C	23°C	21.0°C
Sep 9	22°C	20°C	23°C	21.5°C
Sep 10	21°C	21°C	23°C	21.5°C
Sep 11	22°C	18°C	21°C	20.5°C
Sep 12	21°C	19°C	23°C	21.0°C
Sep 13	21°C	19°C	23°C	21.0°C
Sep 14	21°C	18°C	23°C	20.8°C
Sep 15	22°C	18°C	23°C	21.0°C
Sep 16	22°C	18°C	23°C	21.0°C
Sep 17	22°C	19°C	23°C	21.3°C
Sep 18	21°C	19°C	23°C	21.3°C
Sep 19	21°C	19°C	23°C	21.3°C
Sep 20	20°C	20°C	22°C	21.0°C
Sep 21	22°C	20°C	22°C	21.5°C
Sep 22	21°C	19°C	22°C	20.8°C
Sep 23	21°C	18°C	23°C	20.8°C
Sep 24	22°C	19°C	23°C	21.5°C
Sep 25	22°C	20°C	23°C	21.5°C
Sep 26	22°C	19°C	23°C	21.5°C
Sep 27	21°C	19°C	22°C	20.8°C
Sep 28	22°C	19°C	22°C	20.8°C
Sep 29	21°C	19°C	22°C	20.8°C

Port Saint Johns Climate and Swimming Opportunities in September

24°C

Average Day Air Temperature

15°C

Average Night Air Temperature

83 mm

Precipitation Amount per Month

8 days

Number of Rainy Days

12 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

14 km/h

Average Wind Speed

79%

Average
humidity

Port Saint Johns lies within the Eastern Cape in South Africa. The average daytime temperature in Port Saint Johns in September is 24°C (75°F), while the nighttime average is 15°C (60°F). There are typically eight rainy days during the month, with a total precipitation of 83 mm (3.3 inches). The daylight duration in September in Port Saint Johns is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 14 km/h (9 mph), and the humidity level is around 79%.

The water temperature in Port Saint Johns in September ranges from 20°C to 21°C (68°F to 70°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 21°C (70°F) by mid-September and reaching 21°C (70°F) in the last ten days. Overall, the average sea temperature in Port Saint Johns for September is 21°C (70°F). Optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.

Sea Temperature in September in Nearby Cities

Frequently Asked Questions About Water Temperatures in September in Port Saint Johns

What is the sea temperature in Port Saint Johns in September?

The water temperature in the Indian Ocean in Port Saint Johns in September ranges from 20°C to 21°C (68°F to 70°F).

Is it possible to swim in the Indian Ocean in Port Saint Johns in September?

The average sea temperature in Port Saint Johns in September is 21°C (70°F), and the air temperature is 24°C (75°F), so optimal swimming conditions. The water is warm, and the air is comfortable for drying off and sunbathing.