September weather forecast
Pretoria, South Africa

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The Union Buildings in Pretoria, South Africa
The Union Buildings in Pretoria, South Africa

Weather in September

Pretoria starts seeing more of the sun in September, with temperatures rising and the last vestiges of winter disappearing. The city witnesses an increase in the average high temperatures, indicating the arrival of the warmer months. September invites more daylight hours, augmenting the appeal of the city for sightseeing and picnics. The frequency of rainfall begins to increase during this month; however, it remains moderate. With coming of October, a transition to more humid conditions occurs.

Temperature

As Pretoria transitions into September, the average high-temperature is observed to slightly rise from a pleasant 22.4°C (72.3°F) in August to a moderately hot 26.8°C (80.2°F). The average low-temperature reading in September for Pretoria reflects a significant fall from the daytime highs, stabilizing at a moderate 13°C (55.4°F).

Humidity

September is the least humid month in Pretoria, with an average relative humidity of 35%.

Rainfall

In Pretoria, in September, during 3.6 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Pretoria, South Africa, during the entire year, the rain falls for 120.8 days and collects up to 421mm (16.57") of precipitation.

Daylight

In Pretoria, the average length of the day in September is 11h and 57min.
On the first day of September, sunrise is at 06:18 and sunset at 17:55. On the last day of the month, sunrise is at 05:47 and sunset at 18:06 SAST.

Sunshine

In September, the average sunshine in Pretoria is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What are the temperatures in Pretoria in September?

An average high-temperature, in September, in Pretoria, is 26.8°C (80.2°F) and the average low-temperature is 13°C (55.4°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in March is computed to be 28°C (82.4°F).

What is the least humid month in Pretoria?

September is the least humid month, with an average relative humidity of 35%.

What is the average humidity in September in Pretoria?

In Pretoria, South Africa, the average relative humidity in September is 35%.

How many days does it rain in September in Pretoria?

In Pretoria, in September, it is raining for 3.6 days, with typically 8mm (0.31") of accumulated precipitation.

How many hours of daylight does Pretoria have in September?

The average day length in September is 11h and 57min.

When are sunrise and sunset in September in Pretoria?

In September, on the first day of the month, sunrise is at 06:18 and sunset at 17:55. On the last day of the month, in Pretoria, sunrise is at 05:47 and sunset at 18:06 SAST.

How many hours of sunshine does Pretoria have in September?

The average sunshine duration in September is 9.5h.

What is the UV index reading in September in Pretoria?

The average daily maximum UV index in September in Pretoria, South Africa, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.

Average temperature in September
Pretoria, South Africa

Average temperature in September - Pretoria, South Africa
  • Average high temperature in September: 26.8°C

The warmest month (with the highest average high temperature) is January (28.7°C).
The month with the lowest average high temperature is June (19.1°C).

  • Average low temperature in September: 13°C

The months with the highest average low temperature are January and December (17.5°C).
The coldest month (with the lowest average low temperature) is July (6.9°C).

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Average pressure in September
Pretoria, South Africa

Average pressure in September - Pretoria, South Africa
  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

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Average wind speed in September
Pretoria, South Africa

Average wind speed in September - Pretoria, South Africa
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is November (11.1km/h).
The calmest month (with the lowest average wind speed) is May (7.3km/h).

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Average humidity in September
Pretoria, South Africa

Average humidity in September - Pretoria, South Africa
  • Average humidity in September: 35%

The months with the highest relative humidity are January and February (62%).
The month with the lowest relative humidity is September (35%).

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Average rainfall in September
Pretoria, South Africa

Average rainfall in September - Pretoria, South Africa
  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is July (0mm).

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Average rainfall days in September
Pretoria, South Africa

Average rainfall days in September - Pretoria, South Africa
  • Average rainfall days in September: 3.6 days

The month with the highest number of rainy days is January (21.5 days).
The month with the least rainy days is July (1.1 days).

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Average daylight in September /
Average sunshine in September
Pretoria, South Africa

Average daylight in September / Average sunshine in September - Pretoria, South Africa
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is October (Average sunshine: 11h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

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Average sunshine days in September
Pretoria, South Africa

Average sunshine days in September - Pretoria, South Africa
  • Average sunshine days in September: 24.9 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is December (6.5 days).

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Average UV index in September
Pretoria, South Africa

Average UV index in September - Pretoria, South Africa
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

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Average cloud cover in September
Pretoria, South Africa

Average cloud cover in September - Pretoria, South Africa
  • Average cloud cover in September: 8

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
Pretoria, South Africa

Average visibility in September - Pretoria, South Africa
  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

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Pretoria, South Africa

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