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Tiwi Weather in September

Thinking of visiting Tiwi in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 23°C (73°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Tiwi in September

Past climate data indicates that roughly 12 days will see rain, totalling around 62 mm (2.4 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Tiwi in September

Tiwi in September has perfect weather. Days reach 29°C (84°F) and nights cool to 23°C (73°F). This kind of day-to-night contrast is typical for this time of year. Nights remain mild at 23°C (73°F), making evenings a pleasant time to be outdoors.

Sunshine in Tiwi in September

Enjoy a sunny month with about 246 hours of sunshine, the clear skies make Tiwi even more beautiful.

Wind Speed in Tiwi in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Tiwi.

Select a Month

Check the conditions for any month of the year.

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

Tiwi Temperature in September

Min TemperatureMin Temperature 23°C (73°F)  
Max TemperatureMax Temperature 29°C (84°F)  
Water TemperatureWater Temperature 25°C (77°F) *  
Chance of RainChance of Rain 40%  
PrecipitationPrecipitation 62 mm (2.4 in)  
Rainy daysRainy days 12 days  
HumidityHumidity 80% *  
WindspeedWindspeed 4 m/s (8 knots) *  
SunshineSunshine 246 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Mombasa, Kenya (22 KM, 13 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Tiwi 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 for Tiwi in September

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

Tiwi historical weather extremes in September

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

  • The warmest day in September was on September 13, 2008, with a maximum of 34°C (93°F).
  • Tiwi experienced its chilliest September day on September 16, 1999, reaching only 24°C (75°F).
  • The lowest overnight temperature recorded in September was 19°C (66°F) (September 3, 2020).

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 →

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Legend 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 Tiwi 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. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Tiwi in September

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

Swimming
9/10
Cycling
8/10
Walking
8/10
Camping
8/10
Outdoor sports
8/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Tiwi