Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Blantyre's September weather indicates a minor ascent in high-temperatures, adjusting from a moderately hot 26.9°C (80.4°F) in August to a hot 31.4°C (88.5°F). Blantyre reports a marked divergence from daytime peaks throughout September, with lows averaging at a refreshing 18.4°C (65.1°F).Heat index
In September, the heat index is calculated to be a tropical 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', arises from combining readings of air temperature and relative moisture content. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
With an average relative humidity of 45%, September is the least humid month.Rainfall
The months with the least rainfall are August and September Rain falls for 4.3 days and accumulates 6mm (0.24") of rain.Daylight
In September, the average length of the day in Blantyre is 12h and 1min.On the first day of September in Blantyre, sunrise is at 05:45 and sunset at 17:34. On the last day of the month, sunrise is at 05:22 and sunset at 17:36 CAT.
Sunshine
The month with the most sunshine in Blantyre is September, with an average of 9.6h 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
How hot does it get in Blantyre in September?
What is the least humid month in Blantyre?
What is the average humidity in September in Blantyre?
What is the driest month in Blantyre?
How many days does it rain in September in Blantyre?
What is the average length of the day in September in Blantyre?
When are sunrise and sunset in September in Blantyre?
What month has the most sunshine in Blantyre?
How long on average sun shines in September in Blantyre?
What are the months with the highest UV index in Blantyre?
How high is the UV index in September in Blantyre?
Average temperature in September
Blantyre, Malawi
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is October (32.3°C).
The month with the lowest average high temperature is July (23.1°C).
- Average low temperature in September: 18.4°C
The month with the highest average low temperature is November (21.4°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).
Average pressure in September
Blantyre, Malawi
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is July (1021.4mbar).
The month with the lowest atmospheric pressure is January (1010.5mbar).
Average wind speed in September
Blantyre, Malawi
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is October (8.2km/h).
The calmest month (with the lowest average wind speed) is February (5.6km/h).
Average humidity in September
Blantyre, Malawi
- Average humidity in September: 45%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is September (45%).
Average rainfall in September
Blantyre, Malawi
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is January (358mm).
The driest months (with the least rainfall) are August and September (6mm).
Average rainfall days in September
Blantyre, Malawi
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is January (27.9 days).
The month with the least rainy days is September (4.3 days).
Average daylight in September /
Average sunshine in September
Blantyre, 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 12min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Blantyre, Malawi
- Average sunshine days in September: 24.4 days
The month with the most sunshine days is September (24.4 days).
The months with the least sunshine days are January and February (2 days).
Average UV index in September
Blantyre, 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 April, May, June and July (UV index 5).
Average cloud cover in September
Blantyre, Malawi
- Average cloud cover in September: 16
The months with the most cloud cover are February and April (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in September
Blantyre, Malawi
- Average visibility in September: 10km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
Blantyre, Malawi
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