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Kenya weather in September

Are you planning a trip to Kenya in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Kenya in September?

In September, Kenya experiences a range of weather conditions, with temperatures that range from pleasant to very warm and precipitation levels ranging from almost none to heavy.

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Nyeri at 21°C to very warm in Lodwar at 36°C. Nighttime temperatures generally drop to 26°C in Lodwar and 11°C in Nyeri.

In September, precipitation varies across different areas. From almost no rainfall in Marsabit with an average of 1.5 mm to heavy rainfall in Eldoret with 208 mm. The city Nairobi usually sees around 171 hours of sunlight, indicating a moderately sunny period.

To learn more about the conditions in specific areas of Kenya in September, check out the map below. For more details on the yearly weather, visit our Kenya climate page.

Where to go in Kenya in September

Find the average weather conditions in September for the most popular destinations in Kenya on the map below. Click on a destination dot for more detailed information.

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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 and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Kenya

What is the weather like in September for the 5 most popular destinations in Kenya?

Average weather in Nairobi

In September Nairobi generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 14°C and low monthly rainfall. So on average the conditions are perfect that month.

Nairobi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
14°C 
127 hours 
22 mm 
6 days 
26°C 
14°C 
171 hours 
18 mm 
5 days 
October   >> October
>>  
27°C 
16°C 
220 hours 
49 mm 
8 days 
Climate in Nairobi

Average weather in Diani Beach

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

Diani Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
27°C 
23°C 
248 hours 
68 mm 
13 days 
28°C 
23°C 
246 hours 
61 mm 
12 days 
October   >> October
>>  
29°C 
24°C 
275 hours 
96 mm 
12 days 
Climate in Diani Beach

Average weather in Malindi

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

Malindi
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
24°C 
49 mm 
13 days 
28°C 
24°C 
48 mm 
11 days 
October   >> October
>>  
29°C 
25°C 
85 mm 
9 days 
Climate in Malindi

Average weather in Watamu

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

Watamu
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
23°C 
55 mm 
13 days 
28°C 
24°C 
52 mm 
11 days 
October   >> October
>>  
29°C 
24°C 
88 mm 
10 days 
Climate in Watamu

Average weather in Mombasa

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

Mombasa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
28°C 
22°C 
248 hours 
59 mm 
13 days 
29°C 
23°C 
246 hours 
55 mm 
12 days 
October   >> October
>>  
30°C 
24°C 
275 hours 
86 mm 
12 days 
Climate in Mombasa

Is your destination not in the list? Have a look at other destinations in Kenya.

Is September the best time to visit Kenya?

We believe that September is one of the best times to visit Kenya with overall perfect weather in Nairobi.

Generally speaking, the best visiting conditions can be found in January, February, March, May, June, July, August, September, October and December offering mostly perfect weather in Nairobi.

Interested in more climate information?

We have much more information about the climate in Kenya. Interested in the weather conditions in a specific month? Select the month below.

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  • 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 climate conditions. Find out where to go with our weather planner.