Diani Beach

Coast Province Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Coast Province, Kenya in September.

Considering a trip to Coast Province, Kenya this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Coast Province in September

Coast Province, Kenya is a region in Kenya. September in Coast Province generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to moderate.

Temperatures

The average highest temperatures fluctuate between warm in Chale Island at 28°C (82°F) to very warm in Koito at 33°C (91°F). Nighttime temperatures generally drop to 22°C (72°F) in Koito and 23°C (73°F) in Chale Island.

To learn more about the conditions in specific areas of Coast Province, Kenya, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Tsavo with an average of 5.7 mm (0.2 in) to moderate rainfall in Ukunda with 62 mm (2.4 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in September. Diani Beach typically receives 246 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Coast Province by month

Best Places to Visit in Coast Province in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Coast Province.

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).

Popular Destinations in Coast Province

What is the weather like in September for some of the most popular destinations in Coast Province, Kenya?

Temperature range in Coast Province (September)

Precipitation variation in Coast Province (September)

Diani Beach

In September Diani Beach generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
27°C (81°F)
28°C (82°F)
29°C (84°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
246 hours
275 hours
Monthly rainfall
68 mm (2.7 in)
61 mm (2.4 in)
96 mm (3.8 in)
Monthly rainy days
13 days
12 days
12 days
Weather conditions

Malindi

In September Malindi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly rainfall
49 mm (1.9 in)
48 mm (1.9 in)
85 mm (3.3 in)
Monthly rainy days
13 days
11 days
9 days
Weather conditions

Watamu

In September Watamu generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
55 mm (2.2 in)
52 mm (2 in)
88 mm (3.5 in)
Monthly rainy days
13 days
11 days
10 days
Weather conditions

Mombasa

In September Mombasa generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
30°C (86°F)
Min temperature
22°C (72°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
246 hours
275 hours
Monthly rainfall
59 mm (2.3 in)
55 mm (2.2 in)
86 mm (3.4 in)
Monthly rainy days
13 days
12 days
12 days
Weather conditions

Mtwapa

In September Mtwapa generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
28°C (82°F)
29°C (84°F)
30°C (86°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
246 hours
275 hours
Monthly rainfall
60 mm (2.4 in)
55 mm (2.2 in)
88 mm (3.5 in)
Monthly rainy days
13 days
12 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Coast Province, in Kenya.

In our records: Kenya September extremes

Notable September records observed across cities in Kenya in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Kenya was 12°C (54°F) in Nairobi on September 2, 1976.
  • From our sources, the wettest September day in Kenya brought 300 mm (12 in) in Nyahururu on September 22, 2010.

Popular cities in September

Day & night temperatures, rainfall and average weather in Coast Province in September.

City Weather Day temp Night temp Rainfall
Diani Beach 28°C (82°F) 23°C (73°F) 61 mm (2.4 in)
Mombasa 29°C (84°F) 23°C (73°F) 55 mm (2.2 in)
Malindi 28°C (82°F) 24°C (75°F) 48 mm (1.9 in)
Watamu 28°C (82°F) 24°C (75°F) 52 mm (2 in)
Mtwapa 29°C (84°F) 23°C (73°F) 55 mm (2.2 in)
Shanzu 29°C (84°F) 23°C (73°F) 56 mm (2.2 in)

Coast Province weather in September: frequently asked questions

What is the weather like in Coast Province, Kenya in September?

In September, Coast Province, Kenya generally has perfect weather conditions. Diani Beach sees daytime temperatures near 28°C (82°F), with nights cooling to roughly 23°C (73°F).

What is the average temperature in Coast Province, Kenya in September?

In Diani Beach, the average daytime high in September is 28°C (82°F), while nighttime temperatures drop to around 23°C (73°F).

Does Coast Province, Kenya get a lot of rain in September?

Not particularly. Diani Beach averages just 61 mm (2.4 in) of rain in September, making it a mostly dry month for Coast Province, Kenya.

Is September a Good Time to Visit Coast Province, Kenya?

We consider September to be one of the best times to travel to Coast Province, Kenya. Typically, the climate in Diani Beach is perfect.

Generally speaking, July, August, September and October provide perfect weather in Diani Beach. On the other hand, the weather in April tends to be poor.

Interested in more climate information?

We have much more information about the climate in Coast Province.

Weather and climate has detailed information for every country in the world. Are you going to Kenya? Get detailed historical weather averages for many cities in Kenya.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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