September weather forecast
Atasomanso, Ghana

September

Weather in September

September, the first month of the autumn in Atasomanso, is also a moderately hot month, with an average temperature fluctuating between 21.1°C (70°F) and 28.9°C (84°F).

Temperature

Atasomanso experiences an average high-temperature of a still moderately hot 28.9°C (84°F) in September, subtly different from August's 28.8°C (83.8°F). During September, Atasomanso witnesses a consistent average low-temperature of 21.1°C (70°F).

Heat index

September's heat index is evaluated at a sweltering 37°C (98.6°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

September is the most humid month, with an average relative humidity of 90%.

Rainfall

The month with the most rainfall is September, when the rain falls for 27.5 days and typically aggregates up to 155mm (6.1") of precipitation.

Daylight

In Atasomanso, the average length of the day in September is 12h and 10min.
On the first day of September in Atasomanso, sunrise is at 05:59 and sunset at 18:13. On the last day of the month, sunrise is at 05:54 and sunset at 17:58 GMT.

Sunshine

The month with the least sunshine in Atasomanso is September, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index in Atasomanso are August and September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

Is it hot in Atasomanso during September?
The high-temperature in Atasomanso during September is 28.9°C (84°F) and the low-temperature is 21.1°C (70°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is evaluated at 37°C (98.6°F).
What is the most humid month in Atasomanso?
September is the most humid month in Atasomanso, with an average relative humidity of 90%.
What is the average humidity in September in Atasomanso?
The average relative humidity in September is 90%.
What is the wettest month in Atasomanso?
September is the month with the most rainfall. Rain falls for 27.5 days and accumulates 155mm (6.1") of precipitation.
How much does it rain in Atasomanso in September?
In Atasomanso, during September, the rain falls for 27.5 days and regularly aggregates up to 155mm (6.1") of precipitation.
What is the average length of the day in September in Atasomanso?
In September, the average day length in Atasomanso is 12h and 10min.
When is the sunrise / sunset in September in Atasomanso?
In September, on the first day of the month, sunrise is at 05:59 and sunset at 18:13. On the last day of the month, in Atasomanso, sunrise is at 05:54 and sunset at 17:58 GMT.
What is the month with the least sunshine in Atasomanso?
With an average of 4.8h of sunshine, September has the least sunshine of the year in Atasomanso, Ghana.
How long on average sun shines in September in Atasomanso?
In September, the average sunshine duration in Atasomanso, Ghana, is 4.8h.
What is the month with the lowest UV index in Atasomanso?
August and September, with an average maximum UV index of 5, are months with the lowest UV index in Atasomanso.
What is the UV index reading in September in Atasomanso?
The average daily maximum UV index in September in Atasomanso, Ghana, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Atasomanso, Ghana
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is February (36.2°C).
The months with the lowest average high temperature are July and August (28.8°C).

  • Average low temperature in September: 21.1°C

The month with the highest average low temperature is March (23°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).

Average pressure in September
Atasomanso, Ghana
  • Average pressure in September: 1012.9mbar

The month with the highest atmospheric pressure is July (1013.7mbar).
The month with the lowest atmospheric pressure is March (1009.6mbar).

Average wind speed in September
Atasomanso, Ghana
  • Average wind speed in September: 5.1km/h

The windiest month (with the highest average wind speed) is August (6.2km/h).
The calmest months (with the lowest average wind speed) are October, November and December (4.5km/h).

Average humidity in September
Atasomanso, Ghana
  • Average humidity in September: 90%

The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is January (55%).

Average rainfall in September
Atasomanso, Ghana
  • Average rainfall in September: 155mm

The wettest month (with the highest rainfall) is September (155mm).
The driest month (with the least rainfall) is December (11mm).

Average rainfall days in September
Atasomanso, Ghana
  • Average rainfall days in September: 27.5 days

The month with the highest number of rainy days is October (28.9 days).
The month with the least rainy days is January (7.1 days).

Average daylight in September /
Average sunshine in September
Atasomanso, Ghana
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 4h and 5min

The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is September (Average sunshine: 4h and 48min).

Average sunshine days in September
Atasomanso, Ghana
  • Average sunshine days in September: 1.1 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is September (1.1 days).

Average UV index in September
Atasomanso, Ghana
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are August and September (UV index 5).

Average cloud cover in September
Atasomanso, Ghana
  • Average cloud cover in September: 78

The month with the most cloud cover is September (Cloud cover 78).
The month with the least cloud cover is January (Cloud cover 20).

Average visibility in September
Atasomanso, Ghana
  • Average visibility in September: 5km

The months with the highest visibility are January and February (9km).
The months with the lowest visibility are September and October (5km).

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