September Weather in Kericho, Kenya

Last updated: August 21, 2025

Kericho, Kenya, in September, experiences a dynamic climate characterized by a maximum temperature of 31°C (87°F), providing warm days, while the average temperature hovers around a comfortable 20°C (68°F). With a minimum temperature dipping to 13°C (56°F), nights can be pleasantly cool. The region sees 148 mm (5.8 in) of rainfall spread over 17 days, fostering lush landscapes and vibrant greenery. Coupled with a humidity level of 63%, the weather creates a refreshing atmosphere that showcases the beauty of Kericho, making it an inviting destination during this time of year.

September Temperature in Kericho

In September, temperatures in Kericho, Kenya begin to show subtle signs of warming as the year inches towards its end. With a minimum temperature of 13°C (56°F) and a pleasant average of 20°C (68°F), the month offers a comfortable climate for both locals and visitors alike. The maximum peaks at 31°C (87°F), reflecting a slight increase from the cooler, wetter months of July and August. This gradual rise hints at the transition into the warmer season, making September an ideal time for outdoor activities in the lush landscapes of Kericho. Overall, the temperatures reflect a consistent trend towards warmth, providing a delightful blend of cool mornings and warm afternoons.

September Weather in Kericho: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Kericho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kericho, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec697170696766666768686969
Data source: Temperature data for Kericho generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kericho

In September, Kericho experiences a significant shift in its weather patterns, marked by 148 mm (5.8 in) of rainfall over 17 days. This month typically serves as a transition between the heavier rains of April and May, and with nearly one-third of the month's days receiving precipitation, it underscores the region's characteristic wet climate. The rainfall in September is reminiscent of earlier months like March, which recorded 149 mm, but is considerably lighter than April’s peak. As the gently falling rain nourishes the lush landscapes, it paves the way for the forthcoming deluge in October, where precipitation surges again to 277 mm (10.9 in). Overall, September establishes itself as a vital component in Kericho's annual weather cycle, bridging the gap between the intense rainy seasons.

September Precipitation Trends in Kericho

The chart displays monthly precipitation patterns in Kericho, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Kericho, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec75661493202991057595148277222161
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kericho

In September, Kericho experiences a humidity level of 63%, which reflects a slight increase from the previous months of July and August, where humidity was at 63% and 60% respectively. This upward trend in humidity continues as the region transitions toward the end of the year, leading into the more humid months of October, November, and December, which see levels soaring to 76%, 89%, and 84%. Notably, the months of May and June are the most humid, peaking at 71% and 70%. Overall, the variation in humidity levels throughout the year showcases the distinctive climate patterns of Kericho, with September marking the beginning of a shift toward a more humid atmosphere.

September Average Humidity in Kericho

This chart illustrates the average monthly humidity levels in Kericho, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Kericho is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%53%49%54%71%70%63%60%63%76%89%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kericho

In September, Kericho, Kenya, experiences a UV Index of 14, maintaining its position within the extreme exposure category for the region. This trend mirrors the indexes observed in the preceding months of May through August, where values fluctuated between 12 to 16, all emphasizing the need for diligent sun protection. Notably, despite the slight dip in UV intensity this month, the recommended burn time remains a swift 10 minutes. It is essential for residents and visitors alike to remain vigilant during midday hours, as exposure can lead to skin damage in an alarmingly short time. For more detailed information on UV levels throughout the year, you can check out Kericho UV Index.

Maximum UV Index Levels in Kericho for September

The chart shows the monthly maximum UV Index (UVI) for Kericho in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Kericho typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121314141313
Data source: Kericho September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Kericho

September brings a delightful continuation of sunshine in Kericho, Kenya, with an impressive 327 hours of bright rays. This month is part of a broader trend that sees the region bask in abundant sunlight, particularly in the latter half of the year. Following the peak sunshine in August with 335 hours, September maintains a robust level of light, showcasing the region's consistently favorable weather patterns. As the year progresses, even months like October and November offer substantial sunshine, suggesting that Kericho enjoys a remarkable warm embrace of sunlight as it transitions into the dry season. This steady availability of sunshine not only enhances the natural beauty of Kericho but also supports vibrant agricultural practices, making the region a sun-soaked gem in Kenya's landscape.

Monthly Sunshine Duration in Kericho: September Highlighted

The September sunshine duration represents the total number of hours Kericho experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec276h303h329h298h319h319h329h335h327h323h316h333h
Data source: Kericho September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kericho During September

In Kericho, Kenya, the likelihood of enjoying sunny weather in September hovers around 33%, placing it in the middle range of the annual sunshine probabilities. This slight increase compared to the grayer skies of July (26%) and August (32%) suggests a gentle shift towards clearer days as the region transitions into the more favorable dry months. Although still lower than the sunniest month, June (45%), September presents a promising opportunity for outdoor activities and enjoying the lush surroundings. As the year progresses, the chance of sunshine gradually trends upward, making early fall an enchanting time in Kericho.

Percentage of Sunny Days in September in Kericho

The chart illustrates the percentage of sunny days in Kericho throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kericho experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%26%37%27%34%46%26%32%33%32%37%30%
Data source: Kericho September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kericho in September

In Kericho, Kenya, September marks another month of consistent daylight, as the region enjoys a uniform average of 12 hours of sunlight each day, a trend that persists throughout the entire year. This remarkable regularity in daylight duration showcases the equatorial climate's stability, where seasonal variations are minimal. As the vibrant landscapes of Kericho bask in the golden glow, residents and visitors alike can relish the unchanging rhythm of day and night, perfect for outdoor activities and exploration. This seamless cycle continues to cultivate the area's lush tea plantations and rich biodiversity, making every September day a cherished moment in this picturesque locale.

Average Daylight Hours in Kericho for September

The chart illustrates the variation in daylight duration in Kericho throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 7m12h 6m12h 5m12h 5m12h 5m12h 5m12h 5m12h 5m12h 5m12h 6m12h 7m12h 8m
Data source: Kericho daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Kericho

As September unfolds in Kericho, Kenya, the average wind speed settles at a gentle 1.6 m/s (3 mph), continuing the trend of mild breezes that characterizes the region in the latter half of the year. Following a slightly breezier August, where the winds danced at 1.7 m/s (4 mph), September maintains a consistent calm reminiscent of earlier months. This subtle shift reflects the overall pattern seen from April to September, where the winds generally hover around the lower range. Such tranquility makes this time of year perfect for enjoying the lush, green landscapes, as the soft winds complement the vibrant scenery, creating an inviting atmosphere for both locals and visitors alike.

Average September Wind Speed in Kericho

The chart displays monthly wind speed patterns in Kericho, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.81.41.41.61.51.71.6 m/s1.61.51.6
Data source: Kericho September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kericho Compares to Other Months

Weather in Kericho varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kericho, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present quite similar weather patterns, with both months enjoying average temperatures around 20°C (68°F) and 21°C (70°F) respectively. However, September tends to be more humid, at 63%, compared to January's 64%. Notably, September experiences significantly more rainfall, with 148 mm (5.8 in) across 17 days, while January sees just 75 mm (2.9 in) over only 7 days. This makes January a drier month overall. For a more detailed look at January weather, you can check out Kericho weather in January.

In comparing the weather of September and February, September tends to have a more variable temperature range with a minimum of 13°C (56°F) and a maximum of 31°C (87°F), while February’s temperatures hover slightly higher, with a minimum of 12°C (53°F) and a maximum reaching 33°C (92°F). Notably, September experiences more precipitation, with 148 mm (5.8 in) over 17 days, compared to February's 66 mm (2.6 in) over just 11 days, indicating that September is wetter and more humid (63%) than February's cooler, drier climate (53% humidity). For more detailed insights about February weather, you can visit Kericho weather in February.

September and March both share similar minimum temperatures, averaging around 13°C (56°F). However, March tends to be a bit warmer overall, with an average temperature of 21°C (70°F) compared to September's 20°C (68°F) and a maximum of 34°C (93°F), significantly higher than September's maximum of 31°C (87°F). Precipitation levels are nearly identical in both months, with September receiving 148 mm (5.8 in) and March slightly higher at 149 mm (5.8 in), with both months experiencing rain on about 17 days. Interestingly, March has lower humidity at 49%, compared to September's 63%. For more detailed insights, you can check Kericho weather in March.

When comparing the weather in September and April, we see some notable differences. September, with an average temperature of 20°C (68°F), has minimum and maximum temperatures ranging from 13°C (56°F) to 31°C (87°F). It experiences 148 mm (5.8 in) of precipitation over approximately 17 days, with a humidity level of 63%. In contrast, April boasts a slightly higher minimum temperature of 14°C (57°F) and an average temperature that remains the same at 20°C (69°F), but it can peak at a higher maximum of 33°C (92°F). The month also sees a significant increase in rainfall, with 320 mm (12.6 in) over about 22 days, while humidity levels are lower at 54%. For a detailed look at Kericho weather during April, you can visit Kericho weather in April.

When comparing the weather in September and May, both months share a similar minimum temperature of 13°C (56°F) and an average temperature of around 20°C (68°F). However, September experiences warmer maximum temperatures, reaching up to 31°C (87°F), while May peaks at a milder 28°C (83°F). Precipitation significantly varies between the two months, with May receiving a substantial 299 mm (11.8 in) over 25 days, compared to September's 148 mm (5.8 in) over 17 days. Additionally, May tends to be more humid, with levels at 71%, compared to September's 63%. For more details, you can check Kericho weather in May.

In comparing the weather between September and June, September typically features slightly warmer temperatures, with an average high of 31°C (87°F) compared to June's 29°C (84°F). Both months have similar minimum temperatures, but September has a higher average temperature of 20°C (68°F) versus June's 19°C (67°F). Precipitation levels in September are greater, with 148 mm (5.8 in) over 17 days, while June sees 105 mm (4.1 in) of rain across 18 days. Additionally, September has a lower humidity level at 63%, compared to June's 70%. For more detailed insights, you can check Kericho weather in June.

When comparing the weather in September and July, September tends to be warmer overall, with average temperatures reaching 20°C (68°F) compared to July's average of 19°C (66°F). While both months experience similar minimum temperatures, with only a slight increase from 12°C (54°F) in July to 13°C (56°F) in September, the maximum temperature in September can rise significantly to 31°C (87°F), offering a much warmer peak than July's max of 27°C (81°F). Additionally, September has substantially higher precipitation, totaling 148 mm (5.8 in) over 17 days, compared to July's 75 mm (2.9 in) under the same number of rainy days. Both months share the same humidity level of 63%, indicating that the air feels equally moist during this period. For more detailed insights into July weather specifics, you can refer to Kericho weather in July.

In comparing the weather of September and August, September displays slightly warmer temperatures with a minimum of 13°C (56°F), an average of 20°C (68°F), and a maximum of 31°C (87°F). In contrast, August has a slightly cooler minimum temperature of 12°C (54°F), an average of 19°C (67°F), and a maximum of 29°C (84°F). Both months experience a similar number of rainy days, with 17 days of precipitation; however, September sees significantly higher rainfall at 148 mm (5.8 in), compared to August's 95 mm (3.7 in). Additionally, September has a slightly higher humidity level of 63%, whereas August's humidity is at 60%. For more detailed information on August weather, visit Kericho weather in August.

September and October present a noticeable shift in weather patterns. While both months share a minimum temperature of 13°C (56°F) and an average temperature around 20°C (68°F for September and 69°F for October), October tends to be slightly cooler, with a maximum temperature of 30°C (86°F) compared to September's 31°C (87°F). Precipitation significantly increases in October, totaling 277 mm (10.9 in) over 21 days, compared to September's 148 mm (5.8 in) across 17 days, resulting in a higher humidity level of 76% in October versus 63% in September. For further details, you can check Kericho weather in October.

In September, the weather typically features mild temperatures with a minimum of 13°C (56°F), an average of 20°C (68°F), and maximums reaching up to 31°C (87°F). The month experiences around 148 mm (5.8 in) of precipitation over 17 days, with a relative humidity of 63%. In contrast, November sees similar minimum and average temperatures but with slightly higher maximums, registering at 88°F (31°C) during warm days. November tends to be wetter, accumulating about 222 mm (8.7 in) of precipitation over 19 days and exhibiting increased humidity at 89%. For a detailed look at November weather in Kericho, visit Kericho weather in November.

In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 31°C (87°F), with an average of 20°C (68°F). The month sees a total precipitation of 148 mm (5.8 in) over 17 days, and the humidity is relatively moderate at 63%. In contrast, December exhibits similar minimum and average temperatures, but the maximum reaches slightly higher at 32°C (89°F). The precipitation increases to 161 mm (6.3 in) across 14 days, and humidity rises significantly to 84%. This shift indicates a wetter and more humid climate in December compared to September. For more details, check Kericho weather in December.

Compare Kericho's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kericho

As September unfolds in Kericho, it brings a noteworthy shift in weather compared to other months. The temperatures hover around a comfortable average of 20°C (68°F), with maximums reaching up to 31°C (87°F), making the days pleasantly warm. However, this month is also characterized by increased precipitation, with rain gracing the region on 17 days and accumulating to about 148 mm (5.8 in). The humidity tends to be around 63%, contributing to a lush, vibrant environment unique to this time of year. For a deeper look into the patterns and climate specifics, explore our detailed page on Kericho Climate.