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September Weather in Modimolle, South Africa

Last updated: August 31, 2025

In Modimolle, South Africa during the month of September, the average temperature hovers around 21°C (70°F). You can expect minimums as low as 4°C (40°F) and maximums reaching 37°C (100°F). Rainfall is typically light, with an average precipitation of 5 mm (0.2 in) spread over just 2 days. The humidity level averages at 65%, ensuring a comfortable yet slightly moist atmosphere.

September Temperature in Modimolle

In September in Modimolle, the average temperature is 21°C (70°F). Maximum temperatures can reach 37°C (100°F), while minimums can drop as low as 4°C (40°F). It's advisable to pack for a range of weather conditions to ensure a comfortable and enjoyable trip.

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

The chart illustrates September temperature patterns in Modimolle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Modimolle, September typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (100°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec747372676157566369717373
Data source: Temperature data for Modimolle 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 Modimolle

In Modimolle in September, the precipitation amount is 5 mm (0.2 in) over a period of 2 days.

September Precipitation Trends in Modimolle

The chart displays monthly precipitation patterns in Modimolle, 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 Modimolle, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec12212850411913365897154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Modimolle

In Modimolle in September humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

September Average Humidity in Modimolle

This chart illustrates the average monthly humidity levels in Modimolle, 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 Modimolle 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 Modimolle

In Modimolle 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 Modimolle.

Maximum UV Index Levels in Modimolle for September

The chart shows the monthly maximum UV Index (UVI) for Modimolle 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 Modimolle typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161311867911131416
Data source: Modimolle 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 Modimolle Compares to Other Months

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

This table compares monthly weather conditions in Modimolle, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)122 mm (4.8 inches)70%extreme
February Weather23°C (74°F)128 mm (5.1 inches)65%extreme
March Weather22°C (72°F)50 mm (1.9 inches)64%extreme
April Weather19°C (67°F)41 mm (1.6 inches)63%extreme
May Weather16°C (61°F)19 mm (0.8 inches)64%very high
June Weather14°C (57°F)1 mm (0.0 inches)61%high
July Weather13°C (56°F)3 mm (0.1 inches)64%high
August Weather17°C (63°F)3 mm (0.1 inches)61%very high
September Weather21°C (70°F)5 mm (0.2 inches)65%extreme
October Weather22°C (72°F)58 mm (2.3 inches)61%extreme
November Weather23°C (73°F)97 mm (3.8 inches)68%extreme
December Weather23°C (74°F)154 mm (6.1 inches)72%extreme

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