September weather forecastAccra, Ghana
September
Weather in September
In September, there's a characteristic improvement of weather conditions in Accra, Ghana. The days begin to lengthen, and the sunlight intensifies, suggesting the dry season's continuity. There is a noticeable decrease in wind speed compared to the previous month. A significant aspect of September's weather is the double-digit rainfall days, averaging 26.5. Transitioning into October, Accra’s residents become prepared for drier conditions.Temperature
The average high-temperature in Accra for September is a still moderately hot 27.5°C (81.5°F), closely aligning with the temperature of the preceding month. Accra in September observes a slight diminution in temperature from daily highs, recording a low-temperature average of 23.8°C (74.8°F).Heat index
The heat index value for September is evaluated at a hot 32°C (89.6°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are essentially critical for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
The most humid month in Accra, Ghana, is September, with an average relative humidity of 85%.Rainfall
In Accra, in September, during 26.5 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 237.7 rainfall days, and 684mm (26.93") of precipitation is accumulated.Sea temperature
In Accra, in September, the average water temperature is 24.7°C (76.5°F).Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 24.7°C (76.5°F) water pleasant. (Olympic swimming events mandate water temperatures from 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day is 12h and 9min.On the first day of the month, sunrise is at 05:53 and sunset at 18:07. On the last day of September, sunrise is at 05:48 and sunset at 17:52 GMT.
Sunshine
The month with the least sunshine in Accra, Ghana, is September, with an average of 7.5h of sunshine.UV index
The months with the highest UV index in Accra are January through June, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Accra, Ghana
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is April (31.4°C).
The month with the lowest average high temperature is August (26.8°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is March (26.6°C).
The coldest month (with the lowest average low temperature) is August (23°C).
Average pressure in September
Accra, Ghana
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1013.6mbar).
The months with the lowest atmospheric pressure are February and March (1009.7mbar).
Average wind speed in September
Accra, Ghana
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is August (16.1km/h).
The calmest month (with the lowest average wind speed) is December (11.6km/h).
Average humidity in September
Accra, Ghana
- Average humidity in September: 85%
The month with the highest relative humidity is September (85%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Accra, Ghana
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is June (134mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
Accra, Ghana
- Average rainfall days in September: 26.5 days
The month with the highest number of rainy days is September (26.5 days).
The month with the least rainy days is January (9.7 days).
Average sea temperature in September
Accra, Ghana
- Average sea temperature in September: 24.7°C
The best month for swimming (with the highest average sea temperature) is May (28.6°C).
The coldest month (with the lowest average sea temperature) is August (23.6°C).
Average daylight in September /
Average sunshine in September
Accra, Ghana
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is September (Average sunshine: 7h and 30min).
Average sunshine days in September
Accra, Ghana
- Average sunshine days in September: 1.5 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is September (1.5 days).
Average UV index in September
Accra, Ghana
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Accra, Ghana
- Average cloud cover in September: 51
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in September
Accra, Ghana
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
