Mtwara Weather in September

September is one of the perfect months to visit Mtwara, with daytime temperatures of 28°C (82°F) and lows of 23°C (73°F) at night. Some rainfall is typical for this time of year.

Rainfall in Mtwara in September

Analyzing past climate data, one can expect approximately 4 days of rain, averaging 18 mm (0.7 in). When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Mtwara in September

The temperature in Mtwara in September is perfect. Daytime highs reach 28°C (82°F), with nights dropping to 23°C (73°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 23°C (73°F), evenings stay pleasantly warm.

Sunshine in Mtwara in September

With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Mtwara in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

At 25°C (77°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Mtwara.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Tanzania, check out our Mtwara's climate page.

Mtwara Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 28°C (82°F)  

Water Temperature 25°C (77°F)  

Chance of Rain 12%  

Precipitation 18 mm (0.7 in)  

Rainy days 4 days  

Humidity 74%  

Windspeed 5 m/s (10 knots)  

Sunshine 270 hours  

Percentage Sunshine  

Daily Historical Temperatures

33-year average (1983-2025)

Based on our historical records, temperatures in Mtwara typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 21°C (70°F).

Average temperatures in September

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Daily Historical Precipitation

33-year average (1983-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Mtwara in September

Browse day-by-day weather records for Mtwara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Mtwara historical weather extremes in September

The extremes listed below come from historical weather data collected in Mtwara from 2003 through 2025.

• The warmest day in September was on September 20, 2015, with a maximum of 34°C (93°F).
• The coldest September day was on September 4, 2004, with a maximum of 25°C (77°F).
• Nighttime temperatures dropped to 16°C (61°F) on September 1, 2016, marking the coldest September night on record.

What to Wear in Mtwara in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mtwara in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Tanzania, check out our Mtwara's climate page.

More climate data for Mtwara

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Mtwara climate overview or explore weather in Tanzania.