September weather forecast
Mhlume, Swaziland

September marks the end of the cooler months in Mhlume. The weather starts promptly adjusting for the upcoming warmer conditions, indicated by an increase in temperature. The town witnesses a moderate surge in rainfall, indicating the arrival of a transition period before the scorching summer months. The wind speed maintains a consistent pace, creating a pleasant ambience. However, visibility reaches its annual peak of 10 kilometers, making the weather remain largely transparent and favorable for outdoor activities.

Temperature

Mhlume notes an average high-temperature of a still moderately hot 28.1°C (82.6°F) in September, hardly diverging from August. Mhlume temperatures generally rest at a low of 18.4°C (65.1°F) during the September nights.

Heat index

September's average heat index is calculated to be a tropical 30°C (86°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

The least humid month is September, with an average relative humidity of 62%.

Rainfall

In Mhlume, during September, the rain falls for 8.1 days and regularly aggregates up to 14mm (0.55") of precipitation. In Mhlume, during the entire year, the rain falls for 135.5 days and collects up to 406mm (15.98") of precipitation.

Daylight

The average length of the day in September in Mhlume is 11h and 57min.
On the first day of September in Mhlume, sunrise is at 06:04 and sunset at 17:40. On the last day of the month, sunrise is at 05:32 and sunset at 17:52 SAST.

Sunshine

In Mhlume, the average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index in Mhlume is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.