nomadseason

September Weather in East London, South Africa

Last updated: August 31, 2025

In September, the average temperature in East London, South Africa hovers around 17°C (64°F). Expect minimums dropping to 10°C (51°F) and soaring highs of 30°C (87°F). With 48 mm (1.9 in) of precipitation spread over 7 days, the average humidity is a comfortable 79%. Whether enjoying warm days or the refreshing breeze, East London offers a pleasant climate this time of year!

September Temperature in East London

In September in East London, the average temperature is 17°C (64°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 10°C (51°F). This mild climate makes it an ideal time to explore the outdoors and enjoy various activities in East London.

September Weather in East London: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in East London, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East London, September typically has an average temperature of 17°C (64°F), with highs reaching up to 30°C (87°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec727372696764636163656770
Data source: Temperature data for East London generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in East London

In East London in September, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

September Precipitation Trends in East London

The chart displays monthly precipitation patterns in East London, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In East London, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6610194903326164048778081
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in East London

In East London in September humidity is 79%. With an average temperature of 17°C (64°F), this humidity feels like a warm blanket wrapped around you, making outdoor activities feel a bit muggy and requiring frequent hydration as you explore the sights.

September Average Humidity in East London

This chart illustrates the average monthly humidity levels in East London, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in East London is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%84%82%80%75%75%75%79%80%80%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in East London

In East London in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in East London.

Maximum UV Index Levels in East London for September

The chart shows the monthly maximum UV Index (UVI) for East London in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in East London typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854469111214
Data source: East London September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in East London Compares to Other Months

Weather in East London varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in East London, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in East London, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)66 mm (2.6 inches)81%extreme
February Weather23°C (73°F)101 mm (4.0 inches)82%extreme
March Weather22°C (72°F)94 mm (3.7 inches)84%extreme
April Weather20°C (69°F)90 mm (3.5 inches)82%very high
May Weather19°C (67°F)33 mm (1.3 inches)80%moderate
June Weather18°C (65°F)26 mm (1.0 inches)75%moderate
July Weather17°C (63°F)16 mm (0.6 inches)75%moderate
August Weather16°C (62°F)40 mm (1.6 inches)75%high
September Weather17°C (64°F)48 mm (1.9 inches)79%very high
October Weather18°C (65°F)77 mm (3.0 inches)80%extreme
November Weather19°C (67°F)80 mm (3.2 inches)80%extreme
December Weather21°C (70°F)80 mm (3.2 inches)82%extreme

Compare East London's Climate with Cities Worldwide