Kenya

Kenya Weather in September

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

Planning a trip to Kenya this September? Here's what you need to know about the weather:

What to Expect in Kenya in September

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

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Nyeri at 21°C (70°F) to very hot in Lodwar at 36°C (97°F). Nighttime temperatures generally drop to 26°C (79°F) in Lodwar and 11°C (52°F) in Nyeri.

To explore the conditions in Kenya in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From almost no rainfall in Marsabit with an average of 1.5 mm (0.1 in) to heavy rainfall in Endebess with 248 mm (9.8 in).

Average sunshine

Sunshine is fairly consistent across many areas. Nairobi receives about 171 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Kenya by month

Best Places to Visit in Kenya in September

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

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 Kenya

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

Temperature range in Kenya (September)

Precipitation variation in Kenya (September)

Nairobi

In September Nairobi generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 14°C (57°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
24°C (75°F)
26°C (79°F)
27°C (81°F)
Min temperature
14°C (57°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
127 hours
171 hours
220 hours
Monthly rainfall
22 mm (0.9 in)
18 mm (0.7 in)
49 mm (1.9 in)
Monthly rainy days
6 days
5 days
8 days
Weather conditions

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

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

City Weather Day temp Night temp Rainfall
Nairobi 26°C (79°F) 14°C (57°F) 18 mm (0.7 in)
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)
Kisumu 28°C (82°F) 19°C (66°F) 113 mm (4.4 in)
Naivasha 21°C (70°F) 11°C (52°F) 62 mm (2.4 in)

Kenya weather in September: frequently asked questions

What is the weather like in Kenya in September?

Kenya typically experiences perfect weather in September, part of the season. Daytime highs in Nairobi average around 26°C (79°F), and temperatures drop to about 14°C (57°F) at night.

What is the average temperature in Kenya in September?

In Nairobi, the average daytime high in September is 26°C (79°F), while nighttime temperatures drop to around 14°C (57°F).

Does Kenya get a lot of rain in September?

September is on the drier side in Kenya. Nairobi averages only about 18 mm (0.7 in), with most days staying dry.

Is September a Good 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.

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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