September weather forecastTema, Ghana
September
Weather in September
September ushers in noticeable changes to the weather, mainly characterized by frequent spells of rain. This time of the year is notorious for its high humidity levels and cooler thermal conditions. The overcast skies bring about reduced sunshine hours, intensifying the general feeling of chilliness. According to recorded measurements, the showers peak this month with a total rainfall of 94mm (3.7"). Moving into October, expect a gradual reduction in the rainfall amounts.Temperature
The onset of September in Tema notes an average high-temperature of a still warm 27.2°C (81°F), subtly shifted from August's 26.3°C (79.3°F). Tema documents a consistent average low-temperature of 23.9°C (75°F) at night during September.Heat index
The heat index value during September is appraised at a hot 31°C (87.8°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
September is the most humid month, with an average relative humidity of 85%.Rainfall
In September, the rain falls for 24.5 days. Throughout September, 94mm (3.7") of precipitation is accumulated. Throughout the year, there are 212 rainfall days, and 657mm (25.87") of precipitation is accumulated.Sea temperature
In Tema, in September, the average water temperature is 24.7°C (76.5°F).Note: For someone sensitive to cold, swimming in 24.7°C (76.5°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Tema, the average length of the day in September is 12h and 9min.On the first day of September, sunrise is at 05:53 and sunset at 18:06. On the last day of the month, sunrise is at 05:47 and sunset at 17:51 GMT.
Sunshine
With an average of 7.8h of sunshine, September has the least sunshine of the year in Tema.UV index
The months with the highest UV index 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 health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tema, Ghana
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is April (30.9°C).
The month with the lowest average high temperature is August (26.3°C).
- Average low temperature in September: 23.9°C
The months with the highest average low temperature are March and April (27.2°C).
The coldest month (with the lowest average low temperature) is August (23.5°C).
Average pressure in September
Tema, 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 (1009.6mbar).
Average wind speed in September
Tema, Ghana
- Average wind speed in September: 16.3km/h
The windiest month (with the highest average wind speed) is August (17.9km/h).
The calmest month (with the lowest average wind speed) is December (12.8km/h).
Average humidity in September
Tema, 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
Tema, Ghana
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is June (128mm).
The driest month (with the least rainfall) is January (17mm).
Average rainfall days in September
Tema, Ghana
- Average rainfall days in September: 24.5 days
The month with the highest number of rainy days is September (24.5 days).
The month with the least rainy days is January (8.7 days).
Average sea temperature in September
Tema, 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
Tema, Ghana
- Average daylight in September: 12h and 12min
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 48min
The month with the most sunshine is April (Average sunshine: 11h and 24min).
The month with the least sunshine is September (Average sunshine: 7h and 48min).
Average sunshine days in September
Tema, Ghana
- Average sunshine days in September: 3.9 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is September (3.9 days).
Average UV index in September
Tema, 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
Tema, Ghana
- Average cloud cover in September: 48
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in September
Tema, 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).
