Hermanus

Overberg Weather in September

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

Planning a getaway to the Overberg, 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 Overberg in September

The Overberg, South Africa is a region in South Africa. September in the Overberg generally has temperatures that range from mild to warm, with precipitation levels ranging from low to moderate.

Temperatures

The average maximum daytime temperatures vary from mild in Kleinmond at 18°C (64°F) to warm in Swellendam at 22°C (72°F). Nighttime temperatures generally drop to 9°C (48°F) in Swellendam and 12°C (54°F) in Kleinmond.

For a closer look at conditions across the Overberg, South Africa, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Swellendam with an average of 28 mm (1.1 in) to moderate rainfall in Kleinmond with 63 mm (2.5 in).

Explore the Overberg by month

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

Best Places to Visit in the Overberg in September

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

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 Overberg

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

Temperature range in the Overberg (September)

Precipitation variation in the Overberg (September)

Hermanus

In September Hermanus generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°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
Max temperature
17°C (63°F)
18°C (64°F)
20°C (68°F)
Min temperature
10°C (50°F)
11°C (52°F)
13°C (55°F)
Monthly rainfall
78 mm (3.1 in)
56 mm (2.2 in)
47 mm (1.9 in)
Monthly rainy days
13 days
10 days
9 days
Weather conditions

Gansbaai

In September Gansbaai generally has moderate temperatures with maximum daytime temperatures around 18°C (64°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
Max temperature
17°C (63°F)
18°C (64°F)
20°C (68°F)
Min temperature
11°C (52°F)
12°C (54°F)
14°C (57°F)
Monthly rainfall
76 mm (3 in)
54 mm (2.1 in)
45 mm (1.8 in)
Monthly rainy days
13 days
10 days
9 days
Weather conditions

Swellendam

In September Swellendam generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 9°C (48°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
20°C (68°F)
22°C (72°F)
25°C (77°F)
Min temperature
7°C (45°F)
9°C (48°F)
12°C (54°F)
Monthly rainfall
36 mm (1.4 in)
28 mm (1.1 in)
42 mm (1.7 in)
Monthly rainy days
10 days
8 days
8 days
Weather conditions

Kleinmond

In September Kleinmond generally has moderate temperatures with maximum daytime temperatures around 18°C (64°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
Max temperature
17°C (63°F)
18°C (64°F)
19°C (66°F)
Min temperature
11°C (52°F)
12°C (54°F)
13°C (55°F)
Monthly sun hours
212 hours
225 hours
278 hours
Monthly rainfall
92 mm (3.6 in)
63 mm (2.5 in)
50 mm (2 in)
Monthly rainy days
13 days
10 days
9 days
Weather conditions

Bredasdorp

In September Bredasdorp generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
20°C (68°F)
21°C (70°F)
23°C (73°F)
Min temperature
9°C (48°F)
10°C (50°F)
13°C (55°F)
Monthly rainfall
41 mm (1.6 in)
35 mm (1.4 in)
42 mm (1.7 in)
Monthly rainy days
12 days
10 days
10 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Hermanus 18°C (64°F) 11°C (52°F) 56 mm (2.2 in)
Gansbaai 18°C (64°F) 12°C (54°F) 54 mm (2.1 in)
Swellendam 22°C (72°F) 9°C (48°F) 28 mm (1.1 in)
Kleinmond 18°C (64°F) 12°C (54°F) 63 mm (2.5 in)
Bredasdorp 21°C (70°F) 10°C (50°F) 35 mm (1.4 in)
Struisbaai 19°C (66°F) 13°C (55°F) 36 mm (1.4 in)

The Overberg weather in September: frequently asked questions

What is the weather like in the Overberg, South Africa in September?

Expect pleasant weather across the Overberg, South Africa in September. The popular destination of Hermanus averages 18°C (64°F) by day and 11°C (52°F) at night during this month.

What is the average temperature in the Overberg, South Africa in September?

Daytime temperatures in Hermanus peak at roughly 18°C (64°F) in September, dropping to about 11°C (52°F) overnight.

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

Not particularly. Hermanus averages just 56 mm (2.2 in) of rain in September, making it a mostly dry month for the Overberg, South Africa.

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

In our opinion, September is a good time to visit the Overberg, South Africa with overall pleasant weather in Hermanus.

On average, the best time to visit the Overberg, South Africa is in January, February, March, April, May, October, November and December with generally perfect weather in Hermanus. On the other hand, the months of July and August tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in the Overberg.

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.

Bucket list

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