September weather forecastDedza, Malawi
September
Weather in September
Most of September witnesses clear skies with only 10% cloud cover, leading to an increase in average sunshine hours. As Dedza transitions into September, the weather starts to heat up, with daytime temperatures peaking at 27.3°C (81.1°F). September brings about a cherished change in the weather with warm, sunny days dominating the month. As the temperatures rise, so does the wind speed, offering a cooling effect under the ray-intensive skies. The month remains dry, with rainfall continuing to be minimal.Temperature
September's arrival brings an average high-temperature of a still moderately hot 27.3°C (81.1°F), slightly deviating from August's 25°C (77°F). Dedza reports an average nighttime low-temperature of 15.8°C (60.4°F) in September.Heat index
The heat index value for September is evaluated at 28°C (82.4°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. 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 'real feel', reflects the feeling of heat when considering both air temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The least humid month is September, with an average relative humidity of 48%.Rainfall
The month with the least rainfall in Dedza is September, when the rain falls for 2 days and typically collects 1mm (0.04") of precipitation.Daylight
In Dedza, the average length of the day in September is 12h and 1min.On the first day of September in Dedza, sunrise is at 05:47 and sunset at 17:37. On the last day of the month, sunrise is at 05:25 and sunset at 17:39 CAT.
Sunshine
In September, the average sunshine is 9.9h.UV index
August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dedza, Malawi
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is October (28.7°C).
The month with the lowest average high temperature is July (22.3°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is November (19°C).
The coldest month (with the lowest average low temperature) is July (11.2°C).
Average pressure in September
Dedza, Malawi
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1011mbar).
Average wind speed in September
Dedza, Malawi
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is October (9.4km/h).
The calmest month (with the lowest average wind speed) is February (5.3km/h).
Average humidity in September
Dedza, Malawi
- Average humidity in September: 48%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Dedza, Malawi
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (322mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
Dedza, Malawi
- Average rainfall days in September: 2 days
The month with the highest number of rainy days is January (28.6 days).
The month with the least rainy days is September (2 days).
Average daylight in September /
Average sunshine in September
Dedza, Malawi
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 0min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).
Average sunshine days in September
Dedza, Malawi
- Average sunshine days in September: 27.6 days
The month with the most sunshine days is September (27.6 days).
The month with the least sunshine days is January (1.4 days).
Average UV index in September
Dedza, Malawi
- Average UV index in September: 6
The months with the highest UV index are August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June and July (UV index 5).
Average cloud cover in September
Dedza, Malawi
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 10).
Average visibility in September
Dedza, Malawi
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (7km).
