September weather forecastNaisi, Malawi

September

Weather in September

The September weather in Naisi exhibits the commencement of the warm season, increasing the city's liveliness and vibrancy. Following August, the percentage of cloud cover reduces to a minimum, conveying a comprehensive shift to sunnier aspects. A sharp upturn in temperatures and a declining wind speed corroborates the general perception of the hotter season. In conjunction with these conditions, the rising humidity initiates the preliminary march towards the impending rainy season. The month's feature is the 7.3 km per hour wind speed, the second highest in the course of the year.

Temperature

Naisi perceives a slight temperature ascent during September, with average high-temperatures adjusting from a warm 27.9°C (82.2°F) in August to a hot 31.1°C (88°F). Naisi anticipates a considerable drop in temperature at night in September, with an average low of 18°C (64.4°F).

Heat index

During September, the heat index is evaluated at a hot 32°C (89.6°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

September is the least humid month in Naisi, with an average relative humidity of 44%.

Rainfall

The months with the least rainfall are August and September Rain falls for 3.4 days and accumulates 3mm (0.12") of rain.

Daylight

The average length of the day in September is 12h and 1min.
On the first day of September, sunrise is at 05:43 and sunset at 17:33. On the last day of the month, sunrise is at 05:21 and sunset at 17:35 CAT.

Sunshine

With an average of 9.7h of sunshine, September has the most sunshine of the year in Naisi.

UV index

September and October, with an average maximum UV index of 7, are months with the highest UV index in Naisi. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during September leads to these advisories:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

The average high-temperature and low-temperature during September are 31.1°C (88°F) and 18°C (64.4°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 32°C (89.6°F).

September is the least humid month in Naisi, Malawi, with an average relative humidity of 44%.

The average relative humidity in September in Naisi is 44%.

The months with the least rainfall in Naisi, Malawi, are August and September Rain falls for 3.4 days and accumulates 3mm (0.12") of rain.

In Naisi, Malawi, in September, it is raining for 3.4 days, with typically 3mm (0.12") of accumulated precipitation.

The average day length in September in Naisi, Malawi, is 12h and 1min.

On the first day of September in Naisi, sunrise is at 05:43 and sunset at 17:33. On the last day of the month, sunrise is at 05:21 and sunset at 17:35 CAT.

With an average of 9.7h of sunshine, September has the most sunshine of the year in Naisi.

In September, the average sunshine duration in Naisi, Malawi, is 9.7h.

September and October, with an average maximum UV index of 7, are months with the highest UV index in Naisi.

The average daily maximum UV index in September in Naisi, Malawi, is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Naisi, Malawi

  • Average high temperature in September: 31.1°C

The warmest month (with the highest average high temperature) is October (32.4°C).
The month with the lowest average high temperature is July (24.3°C).

  • Average low temperature in September: 18°C

The month with the highest average low temperature is November (21.3°C).
The coldest month (with the lowest average low temperature) is June (13.1°C).

Average pressure in September
Naisi, Malawi

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is July (1021.3mbar).
The month with the lowest atmospheric pressure is January (1010.8mbar).

Average wind speed in September
Naisi, Malawi

  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is October (7.7km/h).
The calmest month (with the lowest average wind speed) is February (4.9km/h).

Average humidity in September
Naisi, Malawi

  • Average humidity in September: 44%

The months with the highest relative humidity are February and March (84%).
The month with the lowest relative humidity is September (44%).

Average rainfall in September
Naisi, Malawi

  • Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is January (283mm).
The driest months (with the least rainfall) are August and September (3mm).

Average rainfall days in September
Naisi, Malawi

  • Average rainfall days in September: 3.4 days

The month with the highest number of rainy days is January (27.4 days).
The month with the least rainy days is September (3.4 days).

Average daylight in September /
Average sunshine in September
Naisi, 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 42min

The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).

Average sunshine days in September
Naisi, Malawi

  • Average sunshine days in September: 25.5 days

The month with the most sunshine days is September (25.5 days).
The month with the least sunshine days is January (2 days).

Average UV index in September
Naisi, 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, June and July (UV index 5).

Average cloud cover in September
Naisi, Malawi

  • Average cloud cover in September: 14

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 14).

Average visibility in September
Naisi, 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 January, February, March and April (7km).