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September Weather in Cullinan, South Africa

Last updated: August 31, 2025

In September, the average temperature in Cullinan, South Africa reaches a pleasant 19°C (66°F). However, you might experience a minimum of 2°C (37°F) and can also enjoy warmer days with a maximum of 34°C (94°F). Be prepared for 9 mm (0.4 in) of precipitation spread over 3 days, and expect an average humidity of 65%. Whether you're soaking in the warmth or braving the chill, Cullinan offers a diverse climate this month!

September Temperature in Cullinan

In September in Cullinan, the average temperature is 19°C (66°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 2°C (37°F). This range makes it a great time for travelers seeking mild weather, but it's wise to pack layers for the cooler evenings.

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

The chart illustrates September temperature patterns in Cullinan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cullinan, September typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec717069645954535966687070
Data source: Temperature data for Cullinan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cullinan

In Cullinan in September, the precipitation amount is 9 mm (0.4 in) over a span of 3 days.

September Precipitation Trends in Cullinan

The chart displays monthly precipitation patterns in Cullinan, 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 Cullinan, September typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec10113462481542396290161
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cullinan

In Cullinan in September humidity is 65%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making outdoor activities refreshing but slightly sticky, so it's advisable to stay hydrated and take breaks in shaded areas while exploring.

September Average Humidity in Cullinan

This chart illustrates the average monthly humidity levels in Cullinan, 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 Cullinan is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%64%64%65%61%64%61%65%61%68%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cullinan

In Cullinan 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 Cullinan.

Maximum UV Index Levels in Cullinan for September

The chart shows the monthly maximum UV Index (UVI) for Cullinan 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 Cullinan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151310766911131416
Data source: Cullinan 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 Cullinan Compares to Other Months

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

This table compares monthly weather conditions in Cullinan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)101 mm (4.0 inches)70%extreme
February Weather21°C (71°F)134 mm (5.3 inches)65%extreme
March Weather20°C (69°F)62 mm (2.4 inches)64%extreme
April Weather18°C (64°F)48 mm (1.9 inches)63%very high
May Weather15°C (59°F)15 mm (0.6 inches)64%high
June Weather12°C (54°F)4 mm (0.2 inches)61%high
July Weather12°C (54°F)2 mm (0.1 inches)64%high
August Weather15°C (60°F)3 mm (0.1 inches)61%very high
September Weather19°C (66°F)9 mm (0.4 inches)65%extreme
October Weather20°C (68°F)62 mm (2.4 inches)61%extreme
November Weather21°C (70°F)89 mm (3.5 inches)68%extreme
December Weather21°C (71°F)161 mm (6.3 inches)72%extreme

Compare Cullinan's Climate with Cities Worldwide