September weather forecast
Pemba Island, Tanzania

Following the trend of August, September maintains the milder and drier climatic conditions. This time sees the Island still hold onto the 9 hours of daily sunlight, thus retaining the reputation of Pemba Island as an all-year-round sunny destination. Septembers' return to higher sea temperatures, around 26.7°C (80.1°F), enhances the attraction to water sports enthusiasts and nature lovers. The burst of color from the blooming flora is a sight to behold during island explorations. September represents a significant part of the dry period and sets the stage for the incoming peak season.

Temperature

The transition into September in Pemba Island, Tanzania, reveals an average high-temperature of a still moderately hot 29°C (84.2°F), mirroring a close resemblance to August. During the nights in September, Pemba Island experiences a consistent average temperature of 20°C (68°F).

Rainfall

In September, in Pemba Island, the rain falls for 12 days. Throughout September, 71mm (2.8") of precipitation is accumulated. In Pemba Island, during the entire year, the rain falls for 145 days and collects up to 1373mm (54.06") of precipitation.

Sea temperature

In Pemba Island, Tanzania, in September, the average water temperature is 25.9°C (78.6°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.

Daylight

In Pemba Island, the average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 06:20 and sunset at 18:21. On the last day of September, sunrise is at 06:06 and sunset at 18:15 EAT.

Sunshine

The months with the most sunshine in Pemba Island, Tanzania, are January, February, September through December, with an average of 9h of sunshine.

UV index

January through April, September through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 12 suggests these recommendations:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Note! Reflective surfaces like sand and water heighten the UV radiation levels.