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September Weather in White River, South Africa

Last updated: August 31, 2025

In White River, South Africa, the average temperature in September is a comfortable 18°C (65°F). Expect a temperature range that can dip to a chilly 5°C (42°F) or soar to a balmy 36°C (98°F). This month brings about 39 mm (1.5 in) of precipitation spread over 7 days, contributing to an average humidity level of 76%. Enjoy the diverse climate as you explore!

September Temperature in White River

In September in White River, the average temperature is 18°C (65°F). Maximums can reach 36°C (98°F), and minimums can be as low as 5°C (42°F). Be prepared for a wide range of temperatures during your travels, from warm days to cooler nights.

September Weather in White River: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in White River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In White River, September typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (98°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec717270666257576165666971
Data source: Temperature data for White River 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 White River

In White River in September, the precipitation amount is 39 mm (1.5 in) over the course of 7 days.

September Precipitation Trends in White River

The chart displays monthly precipitation patterns in White River, 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 White River, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec189263936628179343980129151
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in White River

In White River in September, humidity is 76%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace, making travel a little sticky but enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in White River

This chart illustrates the average monthly humidity levels in White River, 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 White River is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%67%69%75%68%73%71%76%75%76%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in White River

In White River 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 White River.

Maximum UV Index Levels in White River for September

The chart shows the monthly maximum UV Index (UVI) for White River 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 White River typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16151310866811131415
Data source: White River 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 White River Compares to Other Months

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

This table compares monthly weather conditions in White River, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)189 mm (7.4 inches)74%extreme
February Weather22°C (72°F)263 mm (10.3 inches)71%extreme
March Weather21°C (70°F)93 mm (3.7 inches)67%extreme
April Weather19°C (67°F)66 mm (2.6 inches)69%very high
May Weather17°C (62°F)28 mm (1.1 inches)75%very high
June Weather14°C (58°F)17 mm (0.7 inches)68%high
July Weather14°C (58°F)9 mm (0.4 inches)73%high
August Weather16°C (61°F)34 mm (1.3 inches)71%very high
September Weather18°C (65°F)39 mm (1.5 inches)76%extreme
October Weather19°C (66°F)80 mm (3.1 inches)75%extreme
November Weather20°C (69°F)129 mm (5.1 inches)76%extreme
December Weather22°C (71°F)151 mm (6.0 inches)78%extreme

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