2026 Climate Averages

Weather: Johannesburg — September

The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.

🌟 Climate Overview

September is an excellent time to visit Johannesburg. Warm weather with highs of 24°C—great for outdoor activities. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists.

7.3
GoTripzi Score Great

Based on weather comfort, crowds, prices, and activity options

Avg High

24°C

Avg Low

9°C

Rainy days

4days

Daylight

11.9h

Feels like 22°C / 6°C — wind chill makes it feel cooler

Rainfall

16mm

Sunshine

10.6h/day

Humidity

43%

Comfortable
Sun Strength

8.7

Very High
Wind

21 km/h (gusts 42)

Is September a good time to visit Johannesburg?

The weather is near-perfect with ideal temperatures and minimal rain.

Now

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Feels like --
Wind --
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Local time

Air Quality

Travel Context

  • Crowds
    Very Busy
  • Travel Costs Shoulder Rates

Daylight

Sunrise

06:07

Sunset

18:02

11.9h daylight

Visiting Johannesburg in September: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Minimal rainfall — great for outdoor plans
  • Abundant sunshine for beach and outdoor fun
  • Low humidity makes the warmth pleasant
  • One of the best months to visit

Cons

  • Peak season — expect crowds and higher prices
  • Very high UV — sunscreen and shade essential

Things to Do in September

Events & Festivals

🎊
Heritage Day (Braai Day)
September 24 Holiday
🎭
FNB Art Joburg
Early September Cultural

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Johannesburg Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 25°C 15°C 16d (150mm) 10.9h
72% Humid
9.4 Very High
Wet
Feb 25°C 15°C 15d (153mm) 10.1h
73% Humid
8.6 Very High
Wet
Mar 24°C 13°C 12d (75mm) 10.2h
71% Humid
7.9 Very High
Good
Apr 21°C 10°C 9d (95mm) 9.2h
69% Humid
6.7 High
Excellent
May 20°C 6°C 3d (25mm) 9.7h
60% Moderate
6.4 High
Excellent
Jun 17°C 3°C 2d (8mm) 9.5h
55% Moderate
5.7 High
Excellent
Jul 18°C 2°C 1d (2mm) 9.6h
48% Comfortable
6.1 High
Excellent
Aug 21°C 5°C 1d (4mm) 10.1h
43% Comfortable
7.4 Very High
Excellent
Sep Current 24°C 9°C 4d (16mm) 10.6h
43% Comfortable
8.7 Very High
Excellent
Oct 25°C 12°C 9d (68mm) 10.7h
53% Moderate
9.5 Very High
Excellent
Nov 24°C 13°C 15d (104mm) 10.3h
65% Humid
9.2 Very High
Wet
Dec 25°C 14°C 19d (142mm) 10.4h
71% Humid
9.4 Very High
Wet

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Your Best MonthFebScore: 9

Where to Stay

See hotels, apartments & rentals around Johannesburg – live prices from Booking.com, Expedia, Vrbo and more

Johannesburg

South Africa's economic hub with Apartheid Museum, Soweto township tours, Kruger safari gateway, and vibrant urban culture.

View Full Destination Guide

What to Pack for September

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Temperatures drop significantly at night, so pack layers you can add or remove throughout the day. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Very Busy

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Johannesburg?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is September a good time to visit Johannesburg?
September is typically excellent for visiting Johannesburg, with average highs of 24°C and around 4 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Johannesburg in September?
Nights in Johannesburg during September are cool at around 9°C. Bring a jacket or sweater for evenings, especially if you plan to dine outdoors or take evening walks. The temperature drop from day to night can be noticeable.
What should I pack for Johannesburg in September?
With highs of 24°C and lows of 9°C in September, we recommend: Warm layer for evenings, Sunscreen SPF 30+, Sunglasses, Comfortable walking shoes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Johannesburg in September?
Johannesburg typically sees around 4 rainy days in September. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Johannesburg in September?
In September, Johannesburg gets approximately 11.9 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is September peak season in Johannesburg?
Yes, September is peak season in Johannesburg. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Africa/Johannesburg)

Last Updated: February 2026