September weather forecastNamanja, Malawi
September
Weather in September
The first month of the spring, September, is a tropical month in Namanja, Malawi, with temperature in the range of an average low of 18.2°C (64.8°F) and an average high of 31.5°C (88.7°F).Temperature
September sees a marginal temperature increase, moving from a warm 28.3°C (82.9°F) in August to a tropical 31.5°C (88.7°F). In September, Namanja experiences a significant drop from daily zeniths to an average nighttime temperature of 18.2°C (64.8°F).Heat index
In September, the average heat index is calculated to be a tropical 32°C (89.6°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Take into consideration that the heat index values are calculated for shade and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
September is the least humid month in Namanja, with an average relative humidity of 43%.Rainfall
In Namanja, during September, the rain falls for 2.4 days and regularly aggregates up to 2mm (0.08") of precipitation. In Namanja, during the entire year, the rain falls for 138 days and collects up to 632mm (24.88") of precipitation.Daylight
In Namanja, the average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:42 and sunset at 17:32. On the last day of September, in Namanja, sunrise is at 05:20 and sunset at 17:33 CAT.
Sunshine
September has the most sunshine of the year, with an average of 9.8h of sunshine.UV index
September and October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 7 in September transforms into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Namanja, Malawi
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is October (33.1°C).
The months with the lowest average high temperature are June and July (25.3°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is November (21.5°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).
Average pressure in September
Namanja, Malawi
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is July (1021mbar).
The month with the lowest atmospheric pressure is January (1011mbar).
Average wind speed in September
Namanja, Malawi
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is October (7.9km/h).
The calmest month (with the lowest average wind speed) is February (4.8km/h).
Average humidity in September
Namanja, Malawi
- Average humidity in September: 43%
The months with the highest relative humidity are February and March (85%).
The month with the lowest relative humidity is September (43%).
Average rainfall in September
Namanja, Malawi
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is January (172mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Namanja, Malawi
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is January (27.8 days).
The month with the least rainy days is August (1.8 days).
Average daylight in September /
Average sunshine in September
Namanja, 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 48min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 7h and 6min).
Average sunshine days in September
Namanja, Malawi
- Average sunshine days in September: 27.3 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is January (2.4 days).
Average UV index in September
Namanja, Malawi
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are May and June (UV index 5).
Average cloud cover in September
Namanja, Malawi
- Average cloud cover in September: 14
The months with the most cloud cover are February and March (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Namanja, Malawi
- Average visibility in September: 10km
The months with the highest visibility are August, September, October and November (10km).
The months with the lowest visibility are February, March and April (7km).





