September weather forecastNchalo, Malawi
September
Weather in September
The first month of the spring, September, is a torrid month in Nchalo, Malawi, with an average temperature ranging between min 20.5°C (68.9°F) and max 35.1°C (95.2°F).Temperature
September's arrival is noted with a slight increase in the average high-temperature, moving from a tropical 31.2°C (88.2°F) in August to a very hot 35.1°C (95.2°F). During September, Nchalo notes a substantial drop from the daytime peak to an average minimum temperature of 20.5°C (68.9°F).Heat index
September's mean heat index is estimated at a very hot 39°C (102.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
With an average relative humidity of 44%, September is the least humid month in Nchalo.Rainfall
August and September are months with the least rain in Nchalo when the rain falls for 1.2 days and typically aggregates up to 1mm (0.04") of rain.Daylight
In September, the average length of the day is 12h and 1min.On the first day of September, sunrise is at 05:46 and sunset at 17:34. On the last day of the month, sunrise is at 05:23 and sunset at 17:37 CAT.
Sunshine
In Nchalo, Malawi, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 7 during September translates into these guidelines:
Deflect overexposure. Sun protection is a necessity. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nchalo, Malawi
- Average high temperature in September: 35.1°C
The warmest month (with the highest average high temperature) is October (37°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is December (23.5°C).
The coldest month (with the lowest average low temperature) is July (15.1°C).
Average pressure in September
Nchalo, Malawi
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is July (1021.5mbar).
The month with the lowest atmospheric pressure is January (1010mbar).
Average wind speed in September
Nchalo, Malawi
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is October (9.6km/h).
The calmest month (with the lowest average wind speed) is February (5.7km/h).
Average humidity in September
Nchalo, Malawi
- Average humidity in September: 44%
The months with the highest relative humidity are March and April (79%).
The month with the lowest relative humidity is September (44%).
Average rainfall in September
Nchalo, Malawi
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (136mm).
The driest months (with the least rainfall) are August and September (1mm).
Average rainfall days in September
Nchalo, Malawi
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is September (1.2 days).
Average daylight in September /
Average sunshine in September
Nchalo, Malawi
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).
Average sunshine days in September
Nchalo, Malawi
- Average sunshine days in September: 28.8 days
The months with the most sunshine days are August and September (28.8 days).
The months with the least sunshine days are January and February (5.8 days).
Average UV index in September
Nchalo, Malawi
- Average UV index in September: 7
The month with the highest UV index is October (UV index 8).
The months with the lowest UV index are February, April, May, June and July (UV index 6).
Average cloud cover in September
Nchalo, Malawi
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Nchalo, Malawi
- Average visibility in September: 10km
The months with the highest visibility are August, September, October and November (10km).
The month with the lowest visibility is April (7km).
