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Nanyuki Weather in September
Nanyuki in September averages 23°C (73°F) during the day and 12°C (54°F) at night. This is the driest month of the year.
Rainfall in Nanyuki in September
The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. Typically, you can expect about 9 days of rain this month, with 85 mm (3.3 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Nanyuki in September
Nanyuki has excellent weather in September, with days reaching 23°C (73°F) and nights cooling to 12°C (54°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Nanyuki Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
23°C (73°F)
Chance of Rain
29%
Precipitation
85 mm (3.3 in)
Rainy days
9 days
Nanyuki Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nanyuki - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nanyuki typically stay consistent throughout September, with daily highs averaging around 23°C (73°F). Nights are cool, with lows around 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Nanyuki in September
Browse day-by-day weather records for Nanyuki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nanyuki historical weather extremes in September
Based on 27 years of weather observations in Nanyuki between 1999 and 2026, these are the recorded extremes.
- On September 24, 2026, temperatures climbed to 29°C (84°F), marking the warmest September day on record.
- On September 7, 2022, Nanyuki saw its coldest September day with temperatures maxing out at 17°C (63°F).
- The coldest night in September in Nanyuki was on September 7, 2000, with a minimum of 5°C (41°F).
- Peak precipitation in September occurred on September 1, 2005, when 56 mm (2.2 in) of precipitation was measured.
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 Nanyuki in September
For Nanyuki in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Nanyuki in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Nanyuki 3-Day Forecast
More climate data for Nanyuki
See the full Nanyuki 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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