September weather forecast
Tema, Ghana

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.