Ruiru Weather in September
Ruiru in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 14°C (57°F). It's the driest month of the year, with very little rainfall to worry about.
Rainfall in Ruiru in September
The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. This month experiences about 5 days of rain according to historical data, averaging 22 mm (0.9 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Ruiru in September
September is a perfect month in Ruiru, with 26°C (79°F) during the day and 14°C (57°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Ruiru in September
The month experiences a moderate amount of sunlight, with 171 hours of sunshine. This provides a nice balance between sunshine and clouds.
Wind Speed in Ruiru in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.So this is a great month to visit if you prefer dry days with pleasant temperatures.
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 Ruiru's climate page.
Ruiru Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
16%
Precipitation
22 mm (0.9 in)
Rainy days
5 days
Humidity
67% *
Windspeed
3 m/s (6 knots) *
Sunshine
171 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ruiru typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are cool, with lows around 13°C (55°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 for Ruiru in September
Browse day-by-day weather records for Ruiru spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ruiru historical weather extremes in September
Our historical data for Ruiru spans 1976 to 2025, revealing these weather extremes.
- On September 25, 2007, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 12°C (54°F), recorded on September 2, 1976.
- The coldest night in September in Ruiru was on September 24, 1979, with a minimum of 2°C (36°F).
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
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tolerable
unpleasant
poor
What to Wear in Ruiru in September
Warm but pleasant conditions in Ruiru in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Ruiru in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Ruiru's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Ruiru climate overview or explore weather in Kenya.
