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September Weather in Ashton, South Africa

Last updated: August 31, 2025

In Ashton, South Africa, the average temperature in September hovers around 14°C (57°F). Expect a minimum of 1°C (33°F) and a maximum of 35°C (95°F), offering a wide range of comfort. Precipitation is typically around 25 mm (1.0 in) over 6 days, while the average humidity sits at a notable 74%.

September Temperature in Ashton

In September in Ashton, the average temperature is 14°C (57°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 1°C (33°F). It's essential to pack for both warm days and cool evenings during your travels.

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

The chart illustrates September temperature patterns in Ashton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ashton, September typically has an average temperature of 14°C (57°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec717268635854515157626468
Data source: Temperature data for Ashton 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 Ashton

In Ashton in September, the precipitation amount is 25 mm (1.0 in) spread over 6 days.

September Precipitation Trends in Ashton

The chart displays monthly precipitation patterns in Ashton, 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 Ashton, September typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec311737162728373425283925
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ashton

In Ashton in September, humidity is 74%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making it slightly uncomfortable for traveling, as you may find yourself quickly sweating and in need of frequent breaks to cool down.

September Average Humidity in Ashton

This chart illustrates the average monthly humidity levels in Ashton, 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 Ashton is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%62%70%72%77%82%82%78%74%67%61%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ashton

In Ashton 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 Ashton.

Maximum UV Index Levels in Ashton for September

The chart shows the monthly maximum UV Index (UVI) for Ashton 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 Ashton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151411854469121315
Data source: Ashton 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 Ashton Compares to Other Months

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

This table compares monthly weather conditions in Ashton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)31 mm (1.2 inches)62%extreme
February Weather22°C (72°F)17 mm (0.7 inches)62%extreme
March Weather20°C (68°F)37 mm (1.5 inches)70%extreme
April Weather17°C (63°F)16 mm (0.6 inches)72%very high
May Weather15°C (59°F)27 mm (1.1 inches)77%moderate
June Weather12°C (54°F)28 mm (1.1 inches)82%moderate
July Weather11°C (52°F)37 mm (1.5 inches)82%moderate
August Weather11°C (52°F)34 mm (1.3 inches)78%high
September Weather14°C (57°F)25 mm (1.0 inches)74%very high
October Weather17°C (62°F)28 mm (1.1 inches)67%extreme
November Weather18°C (65°F)39 mm (1.5 inches)61%extreme
December Weather20°C (68°F)25 mm (1.0 inches)60%extreme

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