Knysna

Garden Route Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in the Garden Route, South Africa in September.

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Knysna Plettenberg Bay Wilderness George

Planning a getaway to the Garden Route, South Africa this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in the Garden Route in September

The Garden Route, South Africa is a region in South Africa. September in the Garden Route generally has pleasant temperatures, with moderate precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 19°C (66°F) and nighttime temperatures around 12°C (54°F) in Knysna.

To explore the conditions in the Garden Route, South Africa in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Mossel Bay with an average of 37 mm (1.5 in) to moderate rainfall in Plettenberg Bay with 56 mm (2.2 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Knysna gets approximately 255 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore the Garden Route by month

Pick a month to see the average temperature, rainfall and sunshine in the Garden Route — and find the best time to visit. (based on Knysna)

January24°C (75°F) February24°C (75°F) March23°C (73°F) April22°C (72°F) May20°C (68°F) June19°C (66°F) This monthJuly19°C (66°F) August18°C (64°F) September19°C (66°F) October20°C (68°F) November21°C (70°F) December23°C (73°F)
Best Time to Visit the Garden Route →

Best Places to Visit in the Garden Route in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Garden Route.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in the Garden Route

What is the weather like in September for some of the most popular destinations in the Garden Route, South Africa?

Temperature range in the Garden Route (September)

Precipitation variation in the Garden Route (September)

Knysna

In September Knysna generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
19°C (66°F)
20°C (68°F)
Min temperature
11°C (52°F)
12°C (54°F)
14°C (57°F)
Monthly sun hours
260 hours
255 hours
300 hours
Monthly rainfall
67 mm (2.6 in)
55 mm (2.2 in)
65 mm (2.6 in)
Monthly rainy days
10 days
11 days
13 days
Weather conditions
pleasant
pleasant
perfect
Climate in Knysna →

Plettenberg Bay

In September Plettenberg Bay generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
19°C (66°F)
20°C (68°F)
Min temperature
12°C (54°F)
13°C (55°F)
14°C (57°F)
Monthly sun hours
260 hours
255 hours
300 hours
Monthly rainfall
71 mm (2.8 in)
56 mm (2.2 in)
65 mm (2.6 in)
Monthly rainy days
10 days
10 days
12 days
Weather conditions
pleasant
pleasant
perfect
Climate in Plettenberg Bay →

Wilderness

In September Wilderness generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
19°C (66°F)
21°C (70°F)
Min temperature
10°C (50°F)
11°C (52°F)
13°C (55°F)
Monthly sun hours
210 hours
201 hours
215 hours
Monthly rainfall
58 mm (2.3 in)
50 mm (2 in)
67 mm (2.6 in)
Monthly rainy days
9 days
10 days
12 days
Weather conditions
pleasant
pleasant
perfect
Climate in Wilderness →

George

In September George generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
20°C (68°F)
21°C (70°F)
Min temperature
9°C (48°F)
11°C (52°F)
12°C (54°F)
Monthly sun hours
210 hours
201 hours
215 hours
Monthly rainfall
54 mm (2.1 in)
48 mm (1.9 in)
65 mm (2.6 in)
Monthly rainy days
9 days
10 days
11 days
Weather conditions
pleasant
perfect
perfect
Climate in George →

Mossel Bay

In September Mossel Bay generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
18°C (64°F)
19°C (66°F)
20°C (68°F)
Min temperature
12°C (54°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
210 hours
201 hours
215 hours
Monthly rainfall
48 mm (1.9 in)
37 mm (1.5 in)
49 mm (1.9 in)
Monthly rainy days
9 days
9 days
10 days
Weather conditions
pleasant
pleasant
perfect
Climate in Mossel Bay →

Is your destination not in the list? Have a look at all destinations in the Garden Route, in South Africa.

Popular cities in September

Day & night temperatures, rainfall and average weather in the Garden Route in September.

City Weather Day temp Night temp Rainfall
Knysna 19°C (66°F) 12°C (54°F) 55 mm (2.2 in)
Plettenberg Bay 19°C (66°F) 13°C (55°F) 56 mm (2.2 in)
Wilderness 19°C (66°F) 11°C (52°F) 50 mm (2 in)
George 20°C (68°F) 11°C (52°F) 48 mm (1.9 in)
Mossel Bay 19°C (66°F) 13°C (55°F) 37 mm (1.5 in)
Sedgefield 19°C (66°F) 12°C (54°F) 50 mm (2 in)

The Garden Route weather in September: frequently asked questions

What is the weather like in the Garden Route, South Africa in September?

the Garden Route, South Africa typically experiences pleasant weather in September, part of the season. Daytime highs in Knysna average around 19°C (66°F), and temperatures drop to about 12°C (54°F) at night.

What is the average temperature in the Garden Route, South Africa in September?

In Knysna, the average daytime high in September is 19°C (66°F), while nighttime temperatures drop to around 12°C (54°F).

Does the Garden Route, South Africa get a lot of rain in September?

Rain is generally moderate to light in the Garden Route, South Africa during September, with Knysna averaging close to 55 mm (2.2 in).

Is September a Good Time to Visit the Garden Route, South Africa?

In our opinion, September may not be the ideal time to visit the Garden Route, South Africa due to the typically pleasant weather in Knysna.

Generally speaking, January, February, March, April, May, October, November and December provide perfect weather in Knysna.

Interested in more climate information?

We have much more information about the climate in the Garden Route.

Weather and climate has detailed information for every country in the world. Are you going to South Africa? Get detailed historical weather averages for many cities in South Africa.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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