Bellville Weather in September

September in Bellville brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 63 mm (2.5 in), so pack an umbrella.

Rainfall in Bellville in September

This month experiences about 10 days of rain according to historical data, averaging 63 mm (2.5 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Bellville in September

Temperatures in Bellville in September top out at 19°C (66°F) and drop to 11°C (52°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Bellville in September

Enjoy a sunny month with about 225 hours of sunshine, the clear skies make Bellville even more beautiful.

Wind Speed in Bellville in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, October, November and December typically offer the best circumstances for Bellville.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Africa, check out our Bellville's climate page.

Bellville Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 33%  

Precipitation 63 mm (2.5 in)  

Rainy days 10 days  

Humidity 77% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 225 hours *  

Percentage Sunshine *  

* Data from: Cape Town, South Africa (8 KM, 5 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Bellville typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 10°C (50°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Bellville in September

Browse day-by-day weather records for Bellville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Bellville historical weather extremes in September

According to our 49 years of weather records for Bellville, the following extremes were recorded between 1976 and 2025.

• The hottest September day on record in Bellville reached 34°C (93°F) (September 13, 1997).
• The lowest daytime temperature in September was 12°C (54°F), recorded on September 20, 2013.
• The coldest night in September in Bellville was on September 1, 1990, with a minimum of 2°C (36°F).

What to Wear in Bellville in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 15°C (59°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Bellville in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Africa, check out our Bellville's climate page.

More climate data for Bellville

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Bellville climate overview or explore weather in South Africa.