Mtwapa Weather in September

Mtwapa in September averages 29°C (84°F) during the day and 23°C (73°F) at night. Some rainfall is typical for this time of year.

Rainfall in Mtwapa in September

The climate data from previous years indicates about 12 days of rain, averaging 55 mm (2.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Mtwapa in September

September tends to be one of the excellent months in Mtwapa, with 29°C (84°F) in the afternoon and 23°C (73°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.

Sunshine in Mtwapa in September

Expect sunny days throughout the month, with an estimated 246 hours of sunshine. This makes it a pleasant time to visit Mtwapa.

Wind Speed in Mtwapa in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in September

With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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 Kenya, check out our Mtwapa's climate page.

Mtwapa Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 29°C (84°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 38%  

Precipitation 55 mm (2.2 in)  

Rainy days 12 days  

Humidity 80% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 246 hours *  

Percentage Sunshine *  

* Data from: Mombasa, Kenya (16 KM, 10 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Mtwapa typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).

Average temperatures in September

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Daily Historical Precipitation

49-year average (1976-2025)

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

Average precipitation in September

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Historical weather for Mtwapa in September

Browse day-by-day weather records for Mtwapa 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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‹ January February March April May June July August September October November December ›

Mtwapa historical weather extremes in September

Based on 26 years of weather observations in Mtwapa between 1999 and 2025, these are the recorded extremes.

• On September 13, 2008, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
• The lowest daytime temperature in September was 24°C (75°F), recorded on September 16, 1999.
• Nighttime temperatures dropped to 19°C (66°F) on September 3, 2020, marking the coldest September night on record.

What to Wear in Mtwapa in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 25°C (77°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Mtwapa 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

8/10

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 Kenya, check out our Mtwapa's climate page.

More climate data for Mtwapa

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Mtwapa climate overview or explore weather in Kenya.