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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.
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).
Mtwapa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mtwapa - and find the best time to visit.
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
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
Historical weather records 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.
Mtwapa historical weather extremes in September
Based on 27 years of weather observations in Mtwapa between 1999 and 2026, 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 11, 2026.
- Nighttime temperatures dropped to 19°C (66°F) on September 3, 2020, marking the coldest September night on record.
Best Places in Kenya in September
Find out more about the weather in Kenya and which places have the best travel conditions in this month. See all of Kenya in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Mtwapa 3-Day Forecast
More climate data for Mtwapa
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mtwapa climate overview or explore weather in Kenya.
Popular in September
Where to go in September - average daytime high across popular destinations.
Mombasa
29°C (84°F) Malindi
28°C (82°F) Watamu28°C (82°F) Diani Beach28°C (82°F) Kisumu28°C (82°F) Nairobi
26°C (79°F) Nakuru24°C (75°F) Naivasha21°C (70°F) Bucket list
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The 10 best wildlife viewing sites in Kenya
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