September Weather in Kakamega, Kenya

Last updated: August 21, 2025

In September, Kakamega, Kenya experiences a vibrant and humid climate characterized by maximum temperatures reaching 30°C (87°F) and an average of 20°C (69°F). The weather is marked by significant rainfall, amounting to 139 mm (5.5 in), spread over 23 days, making this month notably wet. With an average humidity of 86%, the air feels lush and charged, enhancing the rich biodiversity of the region. Visitors can expect lively greenery and an invigorating atmosphere, ideal for exploring the local landscapes.

September Temperature in Kakamega

In September, Kakamega experiences a pleasant transition as temperatures begin to slightly rise after the cooler months of August. Typically, the minimum temperature hovers around 14°C (57°F), providing a refreshing start to the day, while the average temperature settles at a comfortable 20°C (69°F). The afternoons warm up nicely, with a maximum temperature reaching up to 30°C (87°F), making it a perfect time for outdoor activities. This slight uptick in heat foreshadows the warmer months of October and November, while still retaining a sense of coolness that characterizes the tail end of the rainy season. As nature flourishes with lush greens, September in Kakamega invites visitors to revel in its revitalizing climate.

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

The chart illustrates September temperature patterns in Kakamega, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kakamega, 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).
JanFebMarAprMayJunJulAugSepOctNovDec717271706968686869697070
Data source: Temperature data for Kakamega generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Kakamega

In September, Kakamega experiences a noticeable increase in precipitation, with 139 mm (5.5 in) recorded over 23 days of rainfall. This trend marks a peak in the dry season as the region transitions toward the more humid months ahead. Following the pattern set by August, September's rainfall contributes to the overall wet conditions that characterize the latter part of the year, paving the way for the substantial downpours that arrive in October. The steady rise in precipitation throughout these months highlights the region's rich ecosystem, fostering lush greenery and supporting local agriculture, while providing an essential water source for its inhabitants.

September Precipitation Trends in Kakamega

The chart displays monthly precipitation patterns in Kakamega, 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 Kakamega, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7694188244243106113122139208190143
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kakamega

In September, Kakamega experiences a notable rise in humidity, reaching 86%, which marks a continuation of the trend observed in the preceding months. Throughout the year, humidity levels generally fluctuate, with the driest months, January and February, recording 59% and 52%, respectively. However, as the year progresses, particularly from April through August, the humidity steadily escalates, exceeding 80%. This increase peaks in September, setting the stage for an even more humid October and November, when levels soar to 89% and 90%. This pattern highlights an unmistakable shift towards heightened humidity during the latter half of the year, characteristic of Kakamega's tropical climate. The trend underscores the region's transition into a more lush and verdant environment as it approaches the rainy season.

September Average Humidity in Kakamega

This chart illustrates the average monthly humidity levels in Kakamega, 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 Kakamega is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%52%46%56%83%83%83%84%86%89%90%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kakamega

September in Kakamega, Kenya, continues the trend of extreme UV exposure, with a UV Index of 14, requiring only 10 minutes of unprotected sun exposure to risk burning. This month sits slightly lower than the peak of 16 seen in the preceding months from January through April, yet it still signifies a need for caution. The early months of the year consistently showcased high UV indexes, making protective measures essential in this region. As we transition into October, the UV levels remain steady, reflecting the persistent intensity of the sun. For comprehensive insights on sun safety, you can visit Kakamega UV Index.

Maximum UV Index Levels in Kakamega for September

The chart shows the monthly maximum UV Index (UVI) for Kakamega 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 Kakamega typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616161312121314141313
Data source: Kakamega 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 Kakamega

As September arrives in Kakamega, Kenya, it continues the tradition of abundant sunshine, with 325 hours of glorious daylight gracing the month. This impressive total keeps Kakamega well within the trend of high sunshine hours that peak in the mid-year, particularly during the warmer months from March to August, where daylight hours consistently exceed 300 hours. Following a slight dip in April, the sun shines brightly as the year progresses, culminating in a noteworthy rise in December with a dazzling 342 hours. Such seasonal variations not only enrich the landscape but also enhance the region's vibrant culture and agriculture, making September a splendid bridge between the summer's peak and the delightful transition into the year's final quarter.

Monthly Sunshine Duration in Kakamega: September Highlighted

The September sunshine duration represents the total number of hours Kakamega 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.
JanFebMarAprMayJunJulAugSepOctNovDec276h305h331h302h313h316h324h335h325h327h325h342h
Data source: Kakamega September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kakamega During September

In Kakamega, Kenya, the likelihood of sunny weather in September stands at a solid 35%, reflecting a trend that maintains a moderate level of sunshine compared to adjacent months. This rate is consistent with August, yet slightly below the more sun-drenched months of June and January, which boast chances of sun at 44% and 42%, respectively. As the rainy seasons transition out of the peak periods in April and July, September offers a balanced mix of sunshine and gentle weather, making it an appealing time for outdoor activities. Overall, while the month won't guarantee incessant blue skies, the likelihood of enjoying some sunny afternoons remains a bright spot in the early transition to the upcoming drier season.

Percentage of Sunny Days in September in Kakamega

The chart illustrates the percentage of sunny days in Kakamega 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 Kakamega experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%26%35%23%31%44%26%35%35%34%36%28%
Data source: Kakamega September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kakamega in September

In Kakamega, Kenya, the rhythm of daylight remains remarkably constant throughout the year, with 12 hours of daylight each month, including September. This uniformity creates a predictable cycle that marks the passage of time without the seasonal extremes often experienced in other regions. As September rolls in, the consistency of daylight allows residents to plan their daily activities with ease, fostering a sense of stability. The reliable length of day and night also enhances the vibrant local culture, where both work and leisure can thrive under the embrace of equal sunlight. Thus, Kakamega's September, like its preceding months, underscores a seamless blend of nature's cadence, inviting residents and visitors alike to engage fully with the richness of life.

Average Daylight Hours in Kakamega for September

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

September Winds in Kakamega

As September sweeps through Kakamega, the average wind speed settles at a gentle 1.5 m/s (3 mph), maintaining a consistent, tranquil atmosphere that echoes the calm of the preceding months. This subtle decline from the slightly brisker 1.8 m/s recorded in March is mirrored by similar speeds in the subsequent months, from June to August, before stabilizing into September. The steady breeze not only enhances the lush, green landscape of Kakamega but also complements the region's serenity. As the year progresses towards November, a slight uptick to 1.6 m/s will signal the transition, keeping Kakamega's charm alive with whispers of the wind, inviting both locals and visitors to bask in its gentle embrace.

Average September Wind Speed in Kakamega

The chart displays monthly wind speed patterns in Kakamega, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.81.51.41.51.51.51.5 m/s1.51.61.8
Data source: Kakamega September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Kakamega Compares to Other Months

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

In September, the weather is characterized by a wide temperature range, with minimums around 14°C (57°F) and maximums soaring to 30°C (87°F). The month receives significant precipitation, totaling 139 mm (5.5 in) over approximately 23 days, contributing to a high humidity level of 86%. Conversely, January offers a slightly warmer average temperature of 21°C (71°F), with maximums reaching up to 33°C (92°F) and minimal rainfall of 76 mm (3.0 in) occurring over just 10 days. The humidity in January is considerably lower at 59%, making the air feel drier and more comfortable. For more detailed information, check out Kakamega weather in January.

In comparing the weather between September and February, we see notable differences in temperature, precipitation, and humidity. September enjoys average temperatures around 20°C (69°F), with highs reaching up to 30°C (87°F) and considerable humidity at 86%. However, it also experiences significant rainfall, with precipitation of 139 mm (5.5 in) covering 23 days. In contrast, February features slightly warmer average temperatures at 22°C (72°F) and maximums peaking at 33°C (93°F). The month is characterized by lower humidity at 52% and less rainfall, with only 94 mm (3.7 in) spread over 14 days. For more detailed insights on weather specifically in February, you can refer to Kakamega weather in February.

When comparing the weather in September and March, we see notable differences in temperature and humidity. September averages a mild 20°C (69°F) with maximums reaching 30°C (87°F), while March tends to be warmer, with an average of 22°C (71°F) and highs of 35°C (95°F). In terms of precipitation, March experiences more rainfall, totaling 188 mm (7.4 in) over 21 days compared to September's 139 mm (5.5 in) over 23 days, although September's humidity is significantly higher at 86% compared to March's 46%. For further details about the climate during this time, you can check Kakamega weather in March.

When comparing the weather in September and April, it's evident that both months experience warm temperatures, although April tends to be slightly warmer on average. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (87°F), while April sees a slightly higher minimum of 15°C (59°F) and a peak of 33°C (92°F). Precipitation levels also differ significantly; September receives around 139 mm (5.5 in) over 23 days, whereas April is much wetter with 244 mm (9.6 in) of rain over 25 days. Additionally, April exhibits lower humidity at 56%, compared to September's more humid atmosphere with 86%. For a detailed look at Kakamega’s weather in April, you can check Kakamega weather in April.

September and May offer quite similar average temperatures, with September typically ranging from a minimum of 14°C (57°F) to a maximum of 30°C (87°F) and May experiencing a slightly higher minimum of 15°C (59°F) and a maximum of 29°C (85°F). However, May tends to be wetter, with a total precipitation of 243 mm (9.6 in) over 28 days compared to September’s 139 mm (5.5 in) of rain spread over 23 days. Interestingly, while September has slightly higher humidity at 86%, May's humidity is still quite high at 83%, making both months feel quite tropical. For a more detailed look at May weather patterns, visit Kakamega weather in May.

When comparing the weather in September and June, we see that both months share similar temperature ranges, with minimum temperatures at 14°C (57°F) and average temperatures around 20°C (69°F). However, September is slightly warmer on average, reaching a maximum of 30°C (87°F), compared to June's maximum of 29°C (85°F). In terms of precipitation, September experiences more rainfall, totaling 139 mm (5.5 in) over 23 days, compared to June's 106 mm (4.2 in) during the same number of days. Humidity is also slightly higher in September at 86%, compared to June's 83%. For more detailed information on June weather, you can visit Kakamega weather in June.

In comparing the weather of September and July, we notice some distinct differences. September experiences slightly warmer temperatures, with a minimum of 14°C (57°F) and a maximum reaching up to 30°C (87°F), compared to July's range of 13°C (56°F) to 27°C (82°F). Rainfall is also more prevalent in September, averaging 139 mm (5.5 in) over 23 days, whereas July sees less precipitation at 113 mm (4.5 in) over 20 days. Humidity remains relatively high in both months, but September has a higher average (86%) compared to July's 83%. For a deeper look at what to expect during July, you can check out Kakamega weather in July.

In comparing the weather of September and August, both months exhibit relatively similar average temperatures, with September showcasing slightly higher extremes, featuring a minimum of 14°C (57°F) and a maximum of 30°C (87°F), compared to August's range of 12°C (54°F) to 28°C (83°F). Precipitation levels increase in September, with 139 mm (5.5 in) over 23 days, whereas August records 122 mm (4.8 in) across 22 days. Additionally, September tends to be slightly more humid, averaging at 86% compared to August's 84%. For more detailed information on August weather, you can visit Kakamega weather in August.

September and October showcase a gradual transition in weather, with October slightly warmer on average at 21°C (70°F) compared to September's average of 20°C (69°F). Both months experience similar minimum temperatures, maintaining a comfortable 14°C (57°F). However, October sees an increase in precipitation, totaling 208 mm (8.2 in) over 25 days, while September's rainfall is 139 mm (5.5 in) spread over 23 days. Additionally, humidity rises in October to 89%, up from 86% in September, indicating a more humid atmosphere as the months progress. For more detailed insights, check out Kakamega weather in October.

In September, the weather showcases a range of temperatures, with minimums around 14°C (57°F) and maximums reaching up to 30°C (87°F), and an average of 20°C (69°F). The month experiences significant rainfall, totaling 139 mm (5.5 in) over approximately 23 days, accompanied by humidity levels averaging 86%. In contrast, November features a slightly warmer climate, with a similar minimum temperature of 14°C (58°F), but an average of 21°C (70°F) and a maximum of 31°C (88°F). Precipitation increases to 190 mm (7.5 in) over the same number of days, resulting in a higher humidity level of 90%. For a more detailed look at November weather patterns, visit Kakamega weather in November.

In comparing the weather between September and December, both months exhibit relatively mild temperatures, with September showing a minimum of 14°C and an average of 20°C, while December boasts a slightly lower minimum of 13°C and a similar average of 21°C. Temperatures peak in December at 32°C, just above September's maximum of 30°C. Precipitation levels are quite similar, with September receiving 139 mm over 23 days and December slightly higher at 143 mm over 19 days. Humidity is also slightly lower in December at 82% compared to September's 86%. For more details, visit Kakamega weather in December.

Compare Kakamega's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Kakamega

September in Kakamega is a transitional month, marked by a delightful blend of warm temperatures and significant rainfall. With daytime highs reaching around 30°C (87°F) and an average temperature of 20°C (69°F), residents and visitors alike can enjoy the warmth, though nighttime lows dip to a refreshing 14°C (57°F). The 86% humidity often enhances the tropical feel, making the air feel lush and vibrant. However, the 139 mm (5.5 in) of rainfall over 23 days adds a unique twist, creating a lively contrast to the drier months. This combination makes September a month rich in both natural beauty and refreshing changes. For a deeper dive into Kakamega's varied weather patterns throughout the year, explore Kakamega Climate.