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September Weather in Cala, South Africa

Last updated: August 31, 2025

In September, the average temperature in Cala, South Africa hovers around 14°C (57°F). However, brace yourself for a range: the thermometer can dip to a chilly -1°C (30°F) or soar to a toasty 33°C (91°F). Expect around 37 mm (1.5 in) of precipitation over approximately 7 days, with humidity levels averaging a muggy 82%.

September Temperature in Cala

In September in Cala, the average temperature is 14°C (57°F). Maximums can reach 33°C (91°F), while minimums can dip to as low as -1°C (30°F). Be prepared for a wide range of temperatures if you plan to travel during this month.

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

The chart illustrates September temperature patterns in Cala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cala, September typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec666664585450495157596164
Data source: Temperature data for Cala 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 Cala

In Cala in September, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

September Precipitation Trends in Cala

The chart displays monthly precipitation patterns in Cala, 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 Cala, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec15020914710829148333791133175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cala

In Cala in September, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

September Average Humidity in Cala

This chart illustrates the average monthly humidity levels in Cala, 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 Cala is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%89%89%88%82%77%72%82%83%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cala

In Cala in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cala.

Maximum UV Index Levels in Cala for September

The chart shows the monthly maximum UV Index (UVI) for Cala 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 Cala typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1515139655710121315
Data source: Cala 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 Cala Compares to Other Months

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

This table compares monthly weather conditions in Cala, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)150 mm (5.9 inches)88%extreme
February Weather19°C (66°F)209 mm (8.2 inches)88%extreme
March Weather18°C (64°F)147 mm (5.8 inches)89%extreme
April Weather15°C (59°F)108 mm (4.2 inches)89%very high
May Weather12°C (54°F)29 mm (1.1 inches)88%high
June Weather10°C (50°F)14 mm (0.5 inches)82%moderate
July Weather9°C (49°F)8 mm (0.3 inches)77%moderate
August Weather10°C (51°F)33 mm (1.3 inches)72%high
September Weather14°C (57°F)37 mm (1.5 inches)82%very high
October Weather15°C (60°F)91 mm (3.6 inches)83%extreme
November Weather16°C (62°F)133 mm (5.2 inches)87%extreme
December Weather18°C (64°F)174 mm (6.9 inches)88%extreme

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