September weather forecastMaloma, Swaziland

September

Weather in September

The arrival of September signals the transition into the spring season with warmer temperatures and longer daylight hours. Moisture levels start to ramp up in preparation for the wet season, indicated by 59% relative humidity. Rainfall shows an uptick to 18mm (0.71") providing a clearer indication of the weather shift. Continuous winds of up to 8.2km/h (5.1mph) keep the enhanced warmth from becoming uncomfortable. As September progresses, it unfolds as a month of transition from the drier winter to the onset of the wetter spring season.

Temperature

September's climate shows a minor adjustment in average high-temperatures to a still warm 25.9°C (78.6°F) from August's 23.8°C (74.8°F). During the nights in September, Maloma records a pronounced shift from the daytime warmth, with a consistent average temperature of 13.6°C (56.5°F).

Humidity

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

Rainfall

In Maloma, during September, the rain falls for 8.7 days and regularly aggregates up to 18mm (0.71") of precipitation. In Maloma, Swaziland, during the entire year, the rain falls for 156.8 days and collects up to 549mm (21.61") of precipitation.

Daylight

In September, the average length of the day is 11h and 56min.
On the first day of September, sunrise is at 06:05 and sunset at 17:40. On the last day of the month, sunrise is at 05:33 and sunset at 17:53 SAST.

Sunshine

The average sunshine in September is 7.9h.

UV index

April through October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

The high-temperature, in September, in Maloma, records 25.9°C (78.6°F), while the low-temperature is 13.6°C (56.5°F). 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 estimated at 31°C (87.8°F).

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

In Maloma, Swaziland, in September, during 8.7 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

The average day length in September in Maloma is 11h and 56min.

In September, on the first day of the month, sunrise is at 06:05 and sunset at 17:40. On the last day of the month, sunrise is at 05:33 and sunset at 17:53 SAST.

In Maloma, the average sunshine duration in September is 7.9h.

April through October, with an average maximum UV index of 5, are months with the lowest UV index in Maloma.

In Maloma, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Maloma, Swaziland

  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is December (27.5°C).
The month with the lowest average high temperature is July (21.4°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is December (17.5°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).

Average pressure in September
Maloma, Swaziland

  • Average pressure in September: 1019.2mbar

The month with the highest atmospheric pressure is July (1024.1mbar).
The month with the lowest atmospheric pressure is January (1014mbar).

Average wind speed in September
Maloma, Swaziland

  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is September (8.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).

Average humidity in September
Maloma, Swaziland

  • Average humidity in September: 59%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (57%).

Average rainfall in September
Maloma, Swaziland

  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is December (110mm).
The driest month (with the least rainfall) is July (4mm).

Average rainfall days in September
Maloma, Swaziland

  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is December (22.7 days).
The month with the least rainy days is June (3.6 days).

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

  • Average daylight in September: 11h and 54min

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: 7h and 54min

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).

Average sunshine days in September
Maloma, Swaziland

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is December (5.3 days).

Average UV index in September
Maloma, Swaziland

  • Average UV index in September: 5

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and October (UV index 5).

Average cloud cover in September
Maloma, Swaziland

  • Average cloud cover in September: 28

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in September
Maloma, Swaziland

  • Average visibility in September: 9km

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