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September Weather in Dewetsdorp, South Africa

Last updated: August 31, 2025

In Dewetsdorp, South Africa, the average temperature in September is a comfortable 16°C (61°F). However, be prepared for some variability, as temperatures can dip as low as -4°C (26°F) or soar to 33°C (91°F). Rainfall is minimal, with about 8 mm (0.3 in) of precipitation expected over just 2 days. Additionally, the average humidity sits at a moderate 63%, making it an intriguing time to experience this locale.

September Temperature in Dewetsdorp

In September in Dewetsdorp, the average temperature is 16°C (61°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -4°C (26°F). This climate variation means travelers should be prepared for both warm days and chilly nights when visiting.

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

The chart illustrates September temperature patterns in Dewetsdorp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dewetsdorp, September typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec727066605348475260646870
Data source: Temperature data for Dewetsdorp 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 Dewetsdorp

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

September Precipitation Trends in Dewetsdorp

The chart displays monthly precipitation patterns in Dewetsdorp, 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 Dewetsdorp, September typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec115131868814451584572121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dewetsdorp

In Dewetsdorp in September humidity is 63%. With an average temperature of 16°C (61°F), this humidity feels like a soft, damp blanket wrapping around you, making outdoor excursions a bit muggy but manageable.

September Average Humidity in Dewetsdorp

This chart illustrates the average monthly humidity levels in Dewetsdorp, 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 Dewetsdorp is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%74%79%83%84%80%69%60%63%61%67%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dewetsdorp

In Dewetsdorp 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 Dewetsdorp.

Maximum UV Index Levels in Dewetsdorp for September

The chart shows the monthly maximum UV Index (UVI) for Dewetsdorp 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 Dewetsdorp typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15151310755811121416
Data source: Dewetsdorp 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 Dewetsdorp Compares to Other Months

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

This table compares monthly weather conditions in Dewetsdorp, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)115 mm (4.5 inches)75%extreme
February Weather21°C (70°F)131 mm (5.2 inches)74%extreme
March Weather19°C (67°F)86 mm (3.4 inches)79%extreme
April Weather15°C (60°F)88 mm (3.5 inches)83%very high
May Weather12°C (54°F)14 mm (0.6 inches)84%high
June Weather9°C (48°F)3 mm (0.1 inches)79%moderate
July Weather8°C (47°F)5 mm (0.2 inches)69%moderate
August Weather11°C (52°F)15 mm (0.6 inches)60%very high
September Weather16°C (61°F)8 mm (0.3 inches)63%extreme
October Weather18°C (65°F)45 mm (1.8 inches)61%extreme
November Weather20°C (68°F)72 mm (2.8 inches)67%extreme
December Weather21°C (71°F)121 mm (4.7 inches)75%extreme

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