September weather - Spring 2024 - Mbabane, Swaziland

Weather in September
Frequently asked questions
Average temperature in September
Average pressure in September
Average wind speed in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average daylight in September
Average sunshine in September
Average sunshine days in September
Average UV index in September
Average cloud cover in September
Average visibility in September

The traditional Swati huts in a village in Mbabane, Swaziland

Weather in September

In September, the weather in Mbabane begins warming up, signalling the onset of the hot season. Increase in rainfall is accompanied by a rise in temperature and daylight. Despite this mutability, September offers a relatively dry season in comparison to impending months. Even though the wind speed peaks at 8.3km/h (5.2mph) in September, it doesn't greatly impact the overall weather conditions. Approaching October, anticipate a substantial rise in rainfall and a constant increase in temperature.

Temperature

As Mbabane steps into September, the average high-temperature is measured at a moderately hot 25.1°C (77.2°F), displaying minor differences from August's 22.7°C (72.9°F). Mbabane, in the heat of September, registers a significant plunge to a mean of 12.5°C (54.5°F) during the nights.

Humidity

In September, the average relative humidity in Mbabane is 59%.

Rainfall

In Mbabane, Swaziland, during September, the rain falls for 8.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Mbabane, there are 167.8 rainfall days, and 715mm (28.15") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 57min.
On the first day of the month, sunrise is at 06:07 and sunset at 17:43. On the last day of September, sunrise is at 05:35 and sunset at 17:55 SAST.

Sunshine

In Mbabane, the average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during September translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

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Frequently asked questions

What is the average September temperature in Mbabane?

During September, Mbabane experiences an average high-temperature of 25.1°C (77.2°F) and a low-temperature of 12.5°C (54.5°F).

What is the average humidity in September in Mbabane?

In Mbabane, the average relative humidity in September is 59%.

How much does it rain in Mbabane in September?

In September, in Mbabane, the rain falls for 8.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated.

How many hours of daylight does Mbabane have in September?

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

When is the sunrise / sunset in September in Mbabane?

On the first day of September in Mbabane, sunrise is at 06:07 and sunset at 17:43. On the last day of the month, sunrise is at 05:35 and sunset at 17:55 SAST.

How many hours of sunshine does Mbabane have in September?

In September, the average sunshine duration in Mbabane is 8h.

How high is the UV index in September in Mbabane?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

22.7°C 72.9°F

25.1°C 77.2°F

24.6°C 76.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.8km/h 5.5mph

9.2km/h 5.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

23.3

11.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Mbabane, Swaziland

Average high temperature in September: 25.1°C

The warmest month (with the highest average high temperature) is December (26.2°C).
The months with the lowest average high temperature are June and July (20.3°C).

Average low temperature in September: 12.5°C

The month with the highest average low temperature is January (16.6°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

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Average pressure in September
Mbabane, Swaziland

Average pressure in September: 1019.3mbar

The month with the highest atmospheric pressure is July (1024.2mbar).
The month with the lowest atmospheric pressure is January (1014mbar).

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Average wind speed in September
Mbabane, Swaziland

Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is September (8.3km/h).
The calmest month (with the lowest average wind speed) is March (6.2km/h).

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Average humidity in September
Mbabane, Swaziland

Average humidity in September: 59%

The months with the highest relative humidity are January, February and March (83%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in September
Mbabane, Swaziland

Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is December (134mm).
The driest month (with the least rainfall) is July (6mm).

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Average rainfall days in September
Mbabane, Swaziland

Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is December (24 days).
The month with the least rainy days is June (3.4 days).

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Average daylight in September /
Average sunshine in September
Mbabane, Swaziland

Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

Average sunshine in September: 8h and 0min

The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).

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Average sunshine days in September
Mbabane, Swaziland

Average sunshine days in September: 18 days

The month with the most sunshine days is June (25.7 days).
The month with the least sunshine days is December (4.5 days).

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Average UV index in September
Mbabane, Swaziland

Average UV index in September: 5

The months with the highest UV index are January and November (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
Mbabane, Swaziland

Average cloud cover in September: 27

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 14).

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Average visibility in September
Mbabane, Swaziland

Average visibility in September: 9km

The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (6km).

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September weather forecast
Mbabane, Swaziland

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