Weather in Stone Town, Tanzania in September

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Visiting Stone Town, Tanzania in September

September is one of the best months to visit Stone Town for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. September has average maximum temperatures of 30°C (86°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 84% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.1hrs making the days very long and bright.

September has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 5.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a very warm 25°C (77°F). September is an excellent month for swimming in Stone Town with very comfortable temperatures for bathing all day. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

Also consider visiting Stone Town in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Stone Town in September?

Yes, September is a great time for sunbathing in Stone Town.

September has average maximum temperatures of 30°C (86°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 84% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.1hrs making the days very long and bright. September has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 5.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about September temperature and sunshine.

Can you swim in Stone Town in September?

Yes, September is an excellent month for swimming in Stone Town with very warm sea temperatures 25°C (77°F).

More about September sea temperatures.

Is September a good time to holiday in Stone Town?

Yes, September is a great time for a holiday in Stone Town.

September has average maximum temperatures of 30°C (86°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 84% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.1hrs making the days very long and bright. September has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 5.8 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a very warm 25°C (77°F). September is an excellent month for swimming in Stone Town with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Stone Town warm in September?

Yes, Stone Town is very warm and perfect for sunbathing on clear days in September.

The average maximum temperature in Stone Town in September is 30°C (86°F). The average maximum temperature is 29°C (84°) in the previous month and 31°C (87°F) in the next month.

The average temperature in Stone Town in September is 26°C (78°F). The average temperature is 25°C (77°F) in the previous month and 27°C (80°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Stone Town in September?

The average day light hours per day in Stone Town in September are 12.1. The sunshine percentage is 84% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.1hrs making the days very long and bright.

More about September sunshine.

Temperature in Stone Town in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in Stone Town in September is 30°C (86°F). The average maximum temperature is 29°C (84°F) in the previous month and 31°C (87°F) in the next month.

The average temperature in Stone Town in September is 26°C (78°F). The average temperature is 25°C (77°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Stone Town in September is 22°C (71°F). The minimum temperature is 22°C (71°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Stone Town in September

The days in September are marginally longer than the previous month and the days continue to get marginally longer into October. During September the average day light hours are 12.1 per day in Stone Town. The sunshine percentage is 84% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 10.1hrs making the days very long and bright.

The ultraviolet index in Stone Town in September is typically 13.9 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Stone Town in September

The average sea water temperature in Stone Town in September is 25.2°C (77.4°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

Rainfall in Stone Town in September

September weather is slightly wetter than the previous month. September has fewer days of rain than the previous month. The average total rainfall in Stone Town in September is 1.2cm (0.5inches) and on average there are 5.8 rainy days in September making it a quite rainy time to visit the beach.

Humidity in Stone Town in September

The maximum dew point (an indicator of humidity) in Stone Town in September is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22°C (71°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in Stone Town in September is typically 92.4%. The maximum relative humidity is 90.6% in the previous month and 94.7% in the next month.

The average relative humidity in Stone Town in September is typically 74.4%. The average relative humidity is 74.1% in the previous month and 76.9% in the next month.

Wind Speed in Stone Town in September

The average maximum wind speed in Stone Town in September is typically 33KM/H (20MPH). The average maximum wind speed is 33KM/H (20MPH) in the previous month and 30KM/H (19MPH) in the next month.

The average wind speed in Stone Town in September is typically 11KM/H (7MPH). The average wind speed is 12KM/H (7MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Stone Town in September is from the South East.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.