September weather forecast
Durban, South Africa

englishespañol中文
Share

Weather in September

September in Durban marks the advent of spring and an increase in temperatures. The main highlight is the rain level, which increases to 34mm (1.34"), indicating a shift towards more humid times. The versatile weather patterns ensure that each day in the city brings differing views and experiences. Whether it is the crisp sunlit mornings, rainy afternoons, or cool breezy nights, September is truly an encapsulation of Durban's diverse weather patterns in every sense.

Temperature

The transition from August to September sees an average high-temperature of a still pleasant 22.7°C (72.9°F), indicating a minor variance from the prior month. In Durban, the average temperature during the nights of September drops to a mild 15.7°C (60.3°F).

Humidity

In Durban, the average relative humidity in September is 73%.

Rainfall

In Durban, in September, it is raining for 14.1 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 182.6 rainfall days, and 597mm (23.5") of precipitation is accumulated.

Sea temperature

In Durban, in September, the average water temperature is 22.1°C (71.8°F).
Note: If cold is not your friend, swimming at 22.1°C (71.8°F) might be daunting. But the right mix of sunshine, wind, and external temperature can make a difference. Although wetsuits are not essential, they can enhance the swimming experience.

Daylight

The average length of the day in September is 11h and 55min.
On the first day of September, sunrise is at 06:10 and sunset at 17:41. On the last day of the month, sunrise is at 05:34 and sunset at 17:56 SAST.

Sunshine

In September, the average sunshine is 6.9h.

UV index

The average daily maximum UV index in September in Durban is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.

Frequently asked questions

What are September temperatures in Durban?

In September, in Durban, the average high-temperature is 22.7°C (72.9°F), and the average low-temperature is 15.7°C (60.3°F).

What is the average humidity in September in Durban?

The average relative humidity in September in Durban is 73%.

How many days does it rain in September in Durban?

In Durban, South Africa, in September, during 14.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

What is the sea temperature in September in Durban?

In Durban, South Africa, the average seawater temperature in September is 22.1°C (71.8°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 22.1°C (71.8°F).

What is the average length of the day in September in Durban?

The average day length in September in Durban, South Africa, is 11h and 55min.

What time are sunrise and sunset in September in Durban?

In September, on the first day of the month, sunrise is at 06:10 and sunset at 17:41. On the last day of the month, in Durban, sunrise is at 05:34 and sunset at 17:56 SAST.

How long on average sun shines in September in Durban?

In September, the average sunshine duration in Durban is 6.9h.

What is the UV index intensity in September in Durban?

In Durban, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Average temperature in September
Durban, South Africa

Average temperature in September - Durban, South Africa
  • Average high temperature in September: 22.7°C

The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is July (21.3°C).

  • Average low temperature in September: 15.7°C

The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is July (13.6°C).

Average pressure in September
Durban, South Africa

Average pressure in September - Durban, South Africa
  • Average pressure in September: 1018.9mbar

The month with the highest atmospheric pressure is July (1023.1mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).

Average wind speed in September
Durban, South Africa

Average wind speed in September - Durban, South Africa
  • Average wind speed in September: 13.6km/h

The windiest month (with the highest average wind speed) is October (14.5km/h).
The calmest month (with the lowest average wind speed) is May (11km/h).

Average humidity in September
Durban, South Africa

Average humidity in September - Durban, South Africa
  • Average humidity in September: 73%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is June (64%).

Average rainfall in September
Durban, South Africa

Average rainfall in September - Durban, South Africa
  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is June (11mm).

Average rainfall days in September
Durban, South Africa

Average rainfall days in September - Durban, South Africa
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is December (23.4 days).
The month with the least rainy days is June (6.5 days).

Average sea temperature in September
Durban, South Africa

Average sea temperature in September - Durban, South Africa
  • Average sea temperature in September: 22.1°C

The best months for swimming (with the highest average sea temperature) are February and March (26.1°C).
The coldest month (with the lowest average sea temperature) is August (21.3°C).

Average daylight in September /
Average sunshine in September
Durban, South Africa

Average daylight in September / Average sunshine in September - Durban, South Africa
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is February (Average sunshine: 8h and 30min).
The month with the least sunshine is April (Average sunshine: 5h and 54min).

Average sunshine days in September
Durban, South Africa

Average sunshine days in September - Durban, South Africa
  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is December (5.4 days).

Average UV index in September
Durban, South Africa

Average UV index in September - Durban, South Africa
  • Average UV index in September: 5

The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is October (UV index 4).

Average cloud cover in September
Durban, South Africa

Average cloud cover in September - Durban, South Africa
  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in September
Durban, South Africa

Average visibility in September - Durban, South Africa
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

Durban, South Africa

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location