nomadseason

September Weather in Koppies, South Africa

Last updated: August 31, 2025

In Koppies, South Africa, the average temperature in September is a comfortable 18°C (65°F). However, be prepared for a range, as temperatures can dip to a brisk -1°C (30°F) or soar to a warm 33°C (92°F). Expect light precipitation, with about 8 mm (0.3 in) falling over 2 days. Humidity hovers around 56%, making the atmosphere feel pleasant yet slightly humid.

September Temperature in Koppies

In September in Koppies, the weather can be quite varied, offering a pleasant average temperature of 18°C (65°F) ideal for outdoor activities, but travelers should be prepared for maximum highs of 33°C (92°F) and potential chilly lows of -1°C (30°F), making it essential to pack accordingly.

September Weather in Koppies: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Koppies, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koppies, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec727169635651505764687071
Data source: Temperature data for Koppies 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 Koppies

In Koppies in September, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

September Precipitation Trends in Koppies

The chart displays monthly precipitation patterns in Koppies, 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 Koppies, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec941086364983684579146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Koppies

In Koppies in September humidity is 56%. With an average temperature of 18°C (65°F), this humidity feels like a pleasant embrace, making traveling enjoyable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Koppies

This chart illustrates the average monthly humidity levels in Koppies, 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 Koppies is approximately 56%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%71%74%75%70%65%59%56%56%54%59%67%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Koppies

In Koppies in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Koppies.

Maximum UV Index Levels in Koppies for September

The chart shows the monthly maximum UV Index (UVI) for Koppies 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 Koppies typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151311756811121416
Data source: Koppies 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 Koppies Compares to Other Months

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

This table compares monthly weather conditions in Koppies, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)93 mm (3.7 inches)71%extreme
February Weather22°C (71°F)108 mm (4.2 inches)70%extreme
March Weather20°C (69°F)63 mm (2.5 inches)74%extreme
April Weather17°C (63°F)63 mm (2.5 inches)75%extreme
May Weather14°C (57°F)9 mm (0.3 inches)70%high
June Weather10°C (51°F)8 mm (0.3 inches)65%moderate
July Weather10°C (50°F)3 mm (0.1 inches)59%high
August Weather14°C (57°F)6 mm (0.2 inches)56%very high
September Weather18°C (65°F)8 mm (0.3 inches)56%extreme
October Weather20°C (68°F)45 mm (1.8 inches)54%extreme
November Weather21°C (71°F)79 mm (3.1 inches)59%extreme
December Weather22°C (71°F)146 mm (5.7 inches)67%extreme

Compare Koppies's Climate with Cities Worldwide