Last updated: August 21, 2025
In September, the weather in Nyeri, Kenya presents a captivating blend of mild temperatures and notable rainfall. With a maximum temperature peaking at 23°C (74°F) and an average of 15°C (60°F), the climate remains pleasantly cool, while evenings can dip to a minimum of 7°C (45°F). This month sees 84 mm (3.3 in) of rain, spread across approximately 17 days, contributing to the lush landscape of the region. The humidity level hovers around 63%, enhancing the vibrant flora and fostering a refreshing atmosphere. Whether you're exploring the scenic beauty or enjoying local culture, September's weather in Nyeri offers a delightful experience for all.
September in Nyeri, Kenya, presents a gentle transition in temperatures, marked by a minimum of 7°C (45°F) and a comfortable average of 15°C (60°F), peaking at 23°C (74°F). As the region shifts away from the cooler months of July and August, which typically linger around 14°C (58°F) to 15°C (59°F) on average, September offers a subtle warmth without the extreme highs of the earlier months, providing a cozy ambiance for both locals and visitors. The patterns over the months reflect a consistent mildness, with September's daylight inviting outdoor activities amidst lush landscapes, making it an ideal time to explore the breathtaking beauty of Nyeri.
In September, Nyeri, Kenya experiences a notable dip in precipitation, recording 84 mm (3.3 in) over 17 days. Following the heavy rains of April and May, which often saturate the area with up to 223 mm (8.8 in) and 195 mm (7.7 in) respectively, September marks a transitional phase as the more moderate wet season begins to set in. This lesser amount of rain heralds a slight reprieve, allowing the region to dry out somewhat after prolonged wetness, yet still contributing to the lush landscape synonymous with the area. The trend of decreasing rainfall compared to the peak months suggests a gradual easing into the drier conditions of the coming months, while providing enough moisture to sustain the vibrant ecosystems that thrive in Nyeri's rich habitats.
In September, humidity in Nyeri, Kenya, rises to 63%, reflecting a shift from the drier months of the year. Following a gradual decline from the 71% peak in May to 60% in August, September experiences a slight uptick, signaling the approach of the rainy season. This month's levels are consistent with the more humid conditions typical of January and October, indicating a trend toward increasing moisture as the year progresses. As we move toward the final months of the year, humidity will continue to climb sharply, peaking at 89% in November. This pattern demonstrates Nyeri's transition from a relatively dry winter to a more humid environment, setting the stage for lush greenery as the rains arrive.
In September, Nyeri, Kenya, maintains a notably high UV Index of 15, categorizing it as extreme and resulting in a burn time of just 10 minutes. This month showcases a slight dip from the peak indices recorded earlier in the year, with January through March showing UV levels between 16 and 17. Interestingly, despite these fluctuations, the dangerous UV levels remain a constant throughout the year, emphasizing the need for protection against harmful sun exposure. As you plan your activities, stay informed about the UV conditions to ensure your safety and well-being. For a comprehensive view of the UV Index, visit Nyeri UV Index.
UV Risk Categories
As September unfolds in Nyeri, Kenya, residents bask in 328 hours of radiant sunshine, a slight dip from the sun-drenched peaks of the previous months but still robust enough to light up the landscape. The progression from January's 286 hours to March's 339 hours marks a steady increase in daylight, peaking in December with 340 hours. This upward trend showcases Nyeri’s vibrant climate, characterized by an abundance of sunlight that invigorates both the environment and the community. With October just around the corner and 332 hours anticipated, it’s clear that Nyeri’s sun-soaked charm remains steadfast as it transitions into the drier season.
In Nyeri, Kenya, the likelihood of sunny weather in September can be described as moderate, with a 22% chance of sunshine. This pattern is relatively stable compared to the previous months, particularly when juxtaposed against the dismal prospects of July, which sees a mere 9% chance of clear skies. As September wraps up the dry season, it marks a slight improvement from the rainier months of April through June, where chances dipped notably. Notably, as the year progresses towards October, the sun’s reappearance seem to re-establish itself, with the likelihood of sunny days rising to 27%. Thus, while September may not promise abundant sunlight, it offers a gentle transition as Nyeri edges closer to sunnier days.
In Nyeri, Kenya, the rhythm of day and night remains beautifully consistent throughout the year, with daylight lasting a reliable 12 hours each day. This steady pattern reflects the region's unique geographical positioning near the equator, ensuring that every month enjoys an equal division of light and shadow. As September unfolds, residents and visitors alike can bask in the warmth of the sun from dawn until dusk, making it an ideal time for outdoor activities and exploration. The unwavering daylight duration not only fosters a sense of stability and predictability but also highlights the region's vibrant environment, where each day feels similarly inviting and full of opportunity.
As September unfolds in Nyeri, Kenya, the gentle embrace of increasing winds marks a subtle yet noticeable shift in the atmosphere. With an average wind speed of 2.2 m/s (5 mph), September stands out as a period where breezes begin to pick up, laying the groundwork for the drier months ahead. This rise follows a gradual trend observed throughout the dry season, transitioning from a mild 1.5 m/s (3 mph) in January to the more invigorating speeds of September and beyond. The consistent wind patterns observed during the early months, hovering around 1.5 to 1.7 m/s, eventually give way to notable increases in June and July, ultimately reaching their height in the early days of spring. As the month progresses, residents start to feel the refreshing change, enhancing the natural beauty of Nyeri's landscapes.
Weather in Nyeri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nyeri, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit mild weather, but there are notable differences between the two months. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average temperature of 15°C (60°F). The month sees about 84 mm (3.3 in) of precipitation over 17 days, accompanied by a humidity level of 63%. In contrast, January experiences slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 25°C (77°F), averaging at 16°C (61°F). Rainfall increases to 102 mm (4.0 in) across 13 days, and humidity rises slightly to 64%. For more detailed information, you can explore Nyeri weather in January.
September and February exhibit distinct weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 15°C (60°F). The month experiences 84 mm (3.3 in) of precipitation over 17 days, coupled with a humidity level of 63%. In contrast, February is slightly warmer, with temperatures ranging from 6°C (43°F) to 26°C (78°F) and an average of 17°C (62°F). This month also sees increased rainfall, totaling 118 mm (4.6 in) over 15 days, but with lower humidity at 53%. For more insights on February weather, visit Nyeri weather in February.
In comparing the weather of September and March, there are notable differences in temperature and precipitation. September experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 23°C (74°F), while March enjoys warmer conditions, ranging from a minimum of 9°C (48°F) to a maximum of 27°C (80°F). Precipitation is also more significant in March, with 155 mm (6.1 in) over 19 days compared to September's 84 mm (3.3 in) over 17 days. Additionally, humidity levels are higher in September at 63%, while March's humidity sits at a more comfortable 49%. For a detailed look at March weather in Nyeri, check out Nyeri weather in March.
When comparing the weather of September and April, notable differences emerge. September tends to be cooler, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), while April enjoys slightly warmer conditions, with lows of 10°C (51°F) and highs reaching 25°C (78°F). Additionally, April is significantly wetter, receiving 223 mm (8.8 in) of precipitation over 26 days, compared to September's 84 mm (3.3 in) over 17 days. This results in higher humidity levels in September at 63%, as opposed to April's 54%. For more details on April's weather, you can visit Nyeri weather in April.
September and May offer distinct weather experiences, reflecting the transition between seasons. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 15°C (60°F). The month sees about 84 mm (3.3 in) of precipitation over approximately 17 days, and the humidity hovers around 63%. In contrast, May is slightly warmer, with temperatures ranging from 8°C (47°F) to 24°C (76°F), and an average of 16°C (62°F). However, it brings significantly more rainfall, totaling 195 mm (7.7 in) over 24 days, accompanied by higher humidity at 71%. For more details on May's weather, you can visit Nyeri weather in May.
In comparing the weather between September and June, both months exhibit relatively mild temperatures, with average highs around 22-23°C (72-74°F). September boasts a slightly broader temperature range, featuring a minimum of 7°C (45°F) and a maximum of 23°C (74°F), while June starts marginally warmer at a minimum of 8°C (46°F). Precipitation levels are similar, with September receiving 84 mm (3.3 in) across 17 days and June experiencing 91 mm (3.6 in) over 18 days. Additionally, humidity is a bit higher in June at 70%, compared to September’s 63%. For more detailed information about June weather, check out Nyeri weather in June.
In comparing the weather between September and July, September experiences slightly warmer temperatures, with averages ranging from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), compared to July's temperatures which range from a minimum of 7°C (44°F) to a maximum of 21°C (70°F). While both months have the same humidity level of 63%, September tends to receive more precipitation, with 84 mm (3.3 in) over 17 days, whereas July sees less rainfall at 70 mm (2.8 in) across 20 days. Those interested in July weather specifics can explore further at Nyeri weather in July.
In September, the weather remains quite similar to August, with both months featuring a minimum temperature of around 7°C (45°F). The average temperature in September is slightly higher at 15°C (60°F), while August has a similar average of 15°C (59°F). However, September's maximum temperature reaches 23°C (74°F), which is just a degree lower than August’s maximum of 24°C (76°F). Notably, September experiences more precipitation, with 84 mm (3.3 in) over 17 days compared to August's 70 mm (2.7 in) over 18 days. Humidity is also a bit higher in September at 63%, compared to 60% in August. For more detailed weather information, you can refer to Nyeri weather in August.
September and October present a notable transition in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 15°C (60°F). The month experiences 84 mm (3.3 in) of precipitation over 17 days, accompanied by a humidity level of 63%. In contrast, October sees a slight increase in temperatures, with minimums around 9°C (48°F) and maximums reaching 25°C (77°F), resulting in an average of 16°C (61°F). However, October is considerably wetter, recording 178 mm (7.0 in) of rainfall spread across 22 days, and humidity rises to 76%. For more detailed insights, you can visit Nyeri weather in October.
September and November showcase a significant contrast in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 23°C (74°F), with an average of 15°C (60°F). The month experiences 84 mm (3.3 inches) of precipitation over 17 days, accompanied by a humidity level of 63%. In contrast, November marks a slight increase in temperatures, with minimums of 8°C (47°F) and maximums reaching 24°C (75°F), averaging 16°C (61°F). However, November sees a considerable rise in rainfall, totaling 251 mm (9.9 inches) across 25 days, and humidity spikes to 89%, making it a much wetter month. For a detailed look at what to expect, check out Nyeri weather in November.
In September, the weather features a mild range of temperatures, with a minimum of 7°C (45°F) and an average of 15°C (60°F), peaking at 23°C (74°F). The month is characterized by moderate rainfall, accumulating 84 mm (3.3 in) over 17 days, and a humidity level of 63%. In contrast, December experiences slightly warmer temperatures, with a minimum of 9°C (48°F) and an average of 16°C (61°F), while still reaching a maximum of 23°C (75°F). However, December has significantly higher precipitation, totaling 175 mm (6.9 in) across 23 days and increased humidity at 84%. To learn more about the weather specifics, visit Nyeri weather in December.
September in Nyeri presents a refreshing transition from the winter chill, characterized by moderate temperatures that invite outdoor exploration. With an average temperature hovering around a comfortable 15°C, the month contrasts sharply with the cooler winter months while maintaining a level of humidity at 63% that makes the air feel crisp. Although rainfall is prevalent, with precipitation occurring on 17 days, the 84 mm received nurtures the lush landscapes, setting the stage for vibrant scenery. This month serves as a bridge to the warmer seasons, offering a delightful mix of mild weather and refreshing showers. For a deeper understanding of Nyeri's climate patterns, be sure to check out Nyeri Climate.