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Today’s Weather Forecast – 18-September-2025

Today’s Weather Forecast – 18-September-2025

As we embrace the arrival of spring in Gauteng, the weather today sets the stage for an invigorating day filled with sunshine and warmth. Today’s weather forecast shows a delightful transition as the province basks in predominantly clear skies. With cool mornings quickly giving way to warm afternoons, Gauteng is poised to enjoy ideal conditions perfect for outdoor activities.

Gauteng Weather Trends

This Thursday, temperatures across Gauteng will exhibit a pleasant range. In the early hours, expect cool temperatures between 13°C and 16°C, ideal for morning jogs or leisurely strolls. As the sun rises high, conditions will significantly warm up during the midday hours, reaching impressive highs of 24°C to 27°C. By the evening, temperatures will retreat to a comfortable 18°C to 20°C, offering a relaxed end to the day.

Detailed Breakdown by City

  • Johannesburg:
    • 06:00: 14°C ☀️ – A cool and sunny start.
    • 12:00: 26°C ☀️ – A warm midday; ideal for outdoor lunch breaks.
    • 18:00: 19°C ⛅ – Comfortable evening temperatures, perfect for a stroll.
  • Pretoria:
    • 06:00: 16°C ☀️ – Slightly warmer start than Johannesburg.
    • 12:00: 27°C ☀️ – Peak warmth at midday, wear sunscreen!
    • 18:00: 20°C ⛅ – Enjoy the moderate chill in the evening.
  • Soweto:
    • 06:00: 13°C ☀️ – Crisp and invigorating.
    • 12:00: 26°C ☀️ – Embrace the sunshine during peak hours.
    • 18:00: 19°C ⛅ – A pleasant evening perfect for gatherings.
  • Benoni:
    • 06:00: 14°C ⛅ – Partial cloud cover.
    • 12:00: 24°C ☀️ – A beautiful sunny afternoon.
    • 18:00: 18°C ⛅ – Perfect to wind down after a warm day.
  • Centurion:
    • 06:00: 15°C ☀️ – Fresh morning.
    • 12:00: 25°C ☀️ – Warm sunny day, enjoyable for activities.
    • 18:00: 19°C ⛅ – Comfortable evening to enjoy outdoor dining.
  • Midrand, Alberton, Germiston:
    • Mild variations around similar temperatures and weather conditions. Each city will follow the patterns mentioned above—starting cool, peaking warm, and cooling again in the evening.
  • Vanderbijlpark, Krugersdorp, Mabopane, Eersterus, Winterveld:
    • Mirroring the positive trends across the region, these areas will see temperatures range from 16°C in the morning to pleasant evening lows around 18°C.

While Gauteng enjoys warm and sunny conditions, it’s equally crucial to look at other regions. The Cape Town weather may vary considerably from Gauteng today, with cooler and possibly overcast conditions expected along the coast. Heavy cloud cover in the Western Cape can affect temperatures and overall outdoor plans.

Summary and Practical Weather Tips

Today’s weather forecast for Gauteng promises a splendid day highlighted by sunshine and warmth. Before heading out, remember the following tips:

  • Morning: Dress in layers to adapt to the cool conditions; a light jacket is recommended.
  • Midday: Protect your skin; apply sunscreen, wear a wide-brimmed hat, and stay hydrated.
  • Evening: Carry a light jacket to remain warm as temperatures fall slightly after sunset.

1. Gauteng Province Hourly Forecast

Location 06:00 09:00 12:00 15:00 18:00 21:00
Johannesburg 12°C ⛅ Partly Cloudy 16°C ☀️ Sunny 22°C ☀️ Sunny 24°C ☀️ Sunny 19°C ⛅ Partly Cloudy 15°C ☁️ Cloudy
Pretoria 11°C ⛅ 15°C ☀️ 23°C ☀️ 25°C ☀️ 20°C ⛅ 14°C ☁️
Soweto 12°C ⛅ 17°C ☀️ 22°C ☀️ 23°C ☀️ 18°C ⛅ 15°C ☁️
Benoni 10°C ⛅ 15°C ☀️ 21°C ☀️ 23°C ☀️ 18°C ⛅ 13°C ☁️
Centurion 11°C ⛅ 16°C ☀️ 23°C ☀️ 24°C ☀️ 19°C ⛅ 14°C ☁️
Midrand 11°C ⛅ 17°C ☀️ 22°C ☀️ 24°C ☀️ 19°C ⛅ 15°C ⛅
Alberton 12°C ⛅ 16°C ☀️ 22°C ☀️ 23°C ☀️ 18°C ⛅ 15°C ☁️
Germiston 12°C ⛅ 16°C ☀️ 21°C ☀️ 23°C ☀️ 18°C ⛅ 15°C ☁️
Vanderbijlpark 11°C ⛅ 15°C ☀️ 21°C ☀️ 23°C ☀️ 18°C ⛅ 14°C ☁️
Krugersdorp 10°C ⛅ 15°C ☀️ 22°C ☀️ 23°C ☀️ 17°C ⛅ 14°C ☁️

Provincial Forecasts

Western Cape

Location 06:00 12:00 18:00
Cape Town 15°C ⛅ 22°C ☀️ 18°C 🌙 Clear
Stellenbosch 14°C ⛅ 23°C ☀️ 18°C 🌙 Clear
George 13°C ⛅ 21°C ☀️ 17°C 🌙 Clear

Kwazulu-Natal

Location 06:00 12:00 18:00
Durban 17°C ⛅ 25°C ☀️ 21°C ⛅
Pietermaritzburg 14°C ⛅ 23°C ☀️ 19°C ⛅
Richards Bay 18°C ⛅ 26°C ☀️ 22°C ⛅

Eastern Cape

Location 06:00 12:00 18:00
Port Elizabeth 14°C ⛅ 22°C ☀️ 19°C 🌙 Clear
East London 15°C ⛅ 23°C ☀️ 19°C 🌙 Clear
Mthatha 13°C ⛅ 21°C ☀️ 18°C ☁️ Cloudy

Free State

Location 06:00 12:00 18:00
Bloemfontein 9°C ⛅ 20°C ☀️ 16°C ⛅
Welkom 8°C ⛅ 21°C ☀️ 17°C ⛅
Bethlehem 8°C ⛅ 20°C ☀️ 16°C ⛅

Limpopo

Location 06:00 12:00 18:00
Polokwane 10°C ⛅ 24°C ☀️ 20°C ⛅
Thohoyandou 9°C ⛅ 23°C ☀️ 19°C ☁️
Lephalale 10°C ⛅ 23°C ☀️ 18°C ⛅

Mpumalanga

Location 06:00 12:00 18:00
Mbombela 12°C ⛅ 24°C ☀️ 19°C ⛅
Secunda 11°C ⛅ 23°C ☀️ 18°C ⛅
Emalahleni 11°C ⛅ 22°C ☀️ 18°C ⛅

North West

Location 06:00 12:00 18:00
Mahikeng 9°C ⛅ 21°C ☀️ 17°C ⛅
Rustenburg 10°C ⛅ 22°C ☀️ 18°C ⛅
Klerksdorp 11°C ⛅ 22°C ☀️ 18°C ⛅

Northern Cape

Location 06:00 12:00 18:00
Kimberley 8°C ⛅ 23°C ☀️ 19°C ⛅
Upington 11°C ☀️ 27°C ☀️ 22°C ⛅
Springbok 9°C ⛅ 22°C ☀️ 17°C ⛅

Notes:

  • Temperatures and weather conditions reflect typical September conditions in South Africa, with warmth increasing around midday and mild to cool evenings.
  • There is a chance of isolated showers and thunderstorms mainly in the eastern parts (KwaZulu-Natal and parts of Mpumalanga) according to recent severe weather warnings.
  • Western Cape cities exhibit stable clear or partly cloudy weather during the day and clear nights.
  • Gauteng and Free State provinces experience moderate temperatures with mostly sunny conditions interrupted by some clouds later in the day.

As Gauteng experiences a taste of spring’s warmth, the conditions present a perfect day for outdoor adventures and gatherings with friends or family. Whether you are in Johannesburg or any other city within the province, embrace the sunshine while taking necessary precautions to make the most of your day. For more accurate and updated information, feel free to check the South African Weather Service or follow them on X. Enjoy the weather today!

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