September weather forecastSunyani, Ghana

Weather in September

Month of September brings Sunyani into a period of transition. Rainfall peaks for the second time in the year at an astounding 112mm (4.41") turning the city into a fresh panorama. Temperatures drop slightly as the city prepares itself for the upcoming dry months. Skies seem to have their mainframe half replaced by clouds, causing the sunlight to play peek-a-boo through the day. This period is a soothing closing note to the rainy months as Sunyani steps into the anticipation of welcoming the dry season.

Temperature

Sunyani enters September with an average high-temperature of a still warm 28.9°C (84°F), mirroring August's climate. Sunyani encounters an average low-temperature of 21.1°C (70°F) during September nights.

Heat index

For most parts of September, the heat index is calculated to be a torrid 36°C (96.8°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

With an average relative humidity of 89%, September is the most humid month.

Rainfall

In Sunyani, in September, it is raining for 25.3 days, with typically 112mm (4.41") of accumulated precipitation. Throughout the year, there are 211.3 rainfall days, and 716mm (28.19") of precipitation is accumulated.

Daylight

In Sunyani, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:01 and sunset at 18:16. On the last day of the month, sunrise is at 05:57 and sunset at 18:00 GMT.

Sunshine

In Sunyani, Ghana, the average sunshine in September is 5.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.