September weather forecast
Nelspruit, South Africa

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Weather in September

September marks the arrival of spring in Nelspruit, as average high temperatures start to crawl up to 26.4°C (79.5°F) from 24.3°C (75.7°F) observed in August. The city revels in the sunny weather with daylight hours increasing to 12 hours. A rise in humidity levels from 56% in August to 56% in September heralds the shift towards a warmer and slightly moist weather pattern. Rainfall starts to pick up, though remaining minimal at 10mm (0.39"), hinting at the wet season around the corner. September acts as a threshold between the coolness of winter and the upcoming heat of summer.

Temperature

Entering September, the average high-temperature is recorded at a still warm 26.4°C (79.5°F), exhibiting a minimal shift from August's 24.3°C (75.7°F). With a significant daily temperature differential, Nelspruit's nighttime temperature in September falls to an average of 13.2°C (55.8°F).

Humidity

August and September, with an average relative humidity of 56%, are the least humid months.

Rainfall

In September, in Nelspruit, South Africa, the rain falls for 6.3 days. Throughout September, 10mm (0.39") of precipitation is accumulated. In Nelspruit, during the entire year, the rain falls for 140.6 days and collects up to 458mm (18.03") of precipitation.

Daylight

In September, the average length of the day in Nelspruit is 11h and 57min.
On the first day of September in Nelspruit, sunrise is at 06:07 and sunset at 17:44. On the last day of the month, sunrise is at 05:36 and sunset at 17:55 SAST.

Sunshine

In Nelspruit, the average sunshine in September is 8.1h.

UV index

In Nelspruit, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What are the temperatures in Nelspruit in September?

In September, the average high-temperature and low-temperature in Nelspruit, South Africa, are 26.4°C (79.5°F) and 13.2°C (55.8°F) respectively. In February, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 31°C (87.8°F).

What are the least humid months in Nelspruit?

August and September, with an average relative humidity of 56%, are the least humid months in Nelspruit.

What is the average humidity in September in Nelspruit?

The average relative humidity in September in Nelspruit, South Africa, is 56%.

How many days does it rain in September in Nelspruit?

In Nelspruit, in September, during 6.3 rainfall days, 10mm (0.39") of precipitation is typically accumulated.

How many hours of daylight does Nelspruit have in September?

In Nelspruit, the average day length in September is 11h and 57min.

When is the sunrise / sunset in September in Nelspruit?

In September, on the first day of the month, sunrise is at 06:07 and sunset at 17:44. On the last day of the month, in Nelspruit, sunrise is at 05:36 and sunset at 17:55 SAST.

How many hours of sunshine does Nelspruit have in September?

In September, the average sunshine duration is 8.1h.

How high is the UV index in September in Nelspruit?

In September, the average daily maximum UV index in Nelspruit is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.

Average temperature in September
Nelspruit, South Africa

Average temperature in September - Nelspruit, South Africa
  • Average high temperature in September: 26.4°C

The warmest month (with the highest average high temperature) is December (28°C).
The month with the lowest average high temperature is July (21.6°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is January (17.3°C).
The coldest months (with the lowest average low temperature) are June and July (8.2°C).

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Average pressure in September
Nelspruit, South Africa

Average pressure in September - Nelspruit, South Africa
  • Average pressure in September: 1019.4mbar

The month with the highest atmospheric pressure is July (1024.3mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).

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Average wind speed in September
Nelspruit, South Africa

Average wind speed in September - Nelspruit, South Africa
  • Average wind speed in September: 7.8km/h

The windiest month (with the highest average wind speed) is September (7.8km/h).
The calmest month (with the lowest average wind speed) is March (5.8km/h).

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Average humidity in September
Nelspruit, South Africa

Average humidity in September - Nelspruit, South Africa
  • Average humidity in September: 56%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (56%).

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Average rainfall in September
Nelspruit, South Africa

Average rainfall in September - Nelspruit, South Africa
  • Average rainfall in September: 10mm

The wettest month (with the highest rainfall) is January (89mm).
The driest month (with the least rainfall) is July (3mm).

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Average rainfall days in September
Nelspruit, South Africa

Average rainfall days in September - Nelspruit, South Africa
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is June (2.8 days).

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

Average daylight in September / Average sunshine in September - Nelspruit, 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: 8h and 1min

The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is April (Average sunshine: 6h and 30min).

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Average sunshine days in September
Nelspruit, South Africa

Average sunshine days in September - Nelspruit, South Africa
  • Average sunshine days in September: 22.3 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (7 days).

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Average UV index in September
Nelspruit, South Africa

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

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

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Average cloud cover in September
Nelspruit, South Africa

Average cloud cover in September - Nelspruit, South Africa
  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 13).

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Average visibility in September
Nelspruit, South Africa

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

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (7km).

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Nelspruit, South Africa

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