September Weather in Nandi Hills, Kenya

Last updated: August 21, 2025

September in Nandi Hills, Kenya presents a delightful climate characterized by a maximum temperature reaching 29°C (85°F), an average of 19°C (66°F), and a refreshing minimum of 12°C (54°F). Visitors can expect lush landscapes due to 240 mm (9.5 in) of rainfall spread over 23 days, contributing to the area’s vibrant greenery. With humidity levels around 63%, the air feels pleasantly breezy, enhancing the scenic beauty of the region. This month is ideal for those looking to explore the natural charm of Nandi Hills while enjoying mild weather conditions.

September Temperature in Nandi Hills

In September, temperatures in Nandi Hills, Kenya begin to show the subtle transitions of approaching warmer months. The minimum temperature hovers around 12°C (54°F), while the average climbs slightly to 19°C (66°F), making it a comfortable time for outdoor activities. With a maximum reaching 29°C (85°F), the weather starts to feel noticeably warmer, yet still remains pleasant compared to the sweltering temperatures of nearby lowlands. This month marks a gradual increase from the cooler conditions experienced in the preceding months, particularly from August, which may intrigue visitors seeking a balance between mildness and warmth as the region prepares for the upcoming dry season.

September Weather in Nandi Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Nandi Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nandi Hills, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686969686665646566676768
Data source: Temperature data for Nandi Hills 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 Nandi Hills

September marks a significant transitional period in Nandi Hills, Kenya, where the region experiences 240 mm (9.5 in) of precipitation over 23 days. This rainfall reflects a notable increase following the drier months of July and August, which saw lower precipitation levels. As the long rains persist, September contributes to the region’s lush greenery and thriving ecosystem. This uptick in moisture also hints at the changing weather patterns, leading into the more substantial rainy months that follow. Notably, as October approaches with an even higher average of 298 mm (11.7 in) expected, September bridges the gap between the heavier April and May rains and the upcoming deluge, making it a pivotal month for agricultural growth and water replenishment in the area.

September Precipitation Trends in Nandi Hills

The chart displays monthly precipitation patterns in Nandi Hills, 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 Nandi Hills, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6996212409389159138174240298173146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Nandi Hills

In September, Nandi Hills experiences a humidity level of 63%, marking a slight recovery after the drier months of March and April. This month typically reflects a transitional phase as the region prepares for the wetter season ahead, following an increase from 60% in August. The trend highlights a gradual rise in humidity levels as the year progresses, with values soaring to 76% in October and peaking further in November at 89%. As the crispness of the earlier months gives way to the moisture-laden atmosphere, September offers a glimpse of the lush greenery that the impending rains will bring.

September Average Humidity in Nandi Hills

This chart illustrates the average monthly humidity levels in Nandi Hills, 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 Nandi Hills 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 Nandi Hills

As September rolls into Nandi Hills, the UV Index remains high at 14, continuing the trend of intense sun exposure characteristic of this region throughout the year. With an extreme exposure category and a burn time of just 10 minutes, individuals must remain vigilant against the sun's potent rays. This pattern of elevated UV levels, peaking at 17 in March and holding steady around 14 from May to October, underscores the importance of sun safety measures in this beautiful landscape. Whether you're hiking or simply enjoying the vistas, make sure to protect your skin. For more details on UV levels, visit the Nandi Hills UV Index.

Maximum UV Index Levels in Nandi Hills for September

The chart shows the monthly maximum UV Index (UVI) for Nandi Hills 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 Nandi Hills typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121314141313
Data source: Nandi Hills 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 Nandi Hills

September in Nandi Hills, Kenya, offers a splendid continuation of the vibrant sunshine that characterizes the region throughout the year. With 329 hours of sunlight, it stands strong among the latter months of the year, reflecting a trend of consistently high sunshine hours that peaks in August. This month serves as a joyful transition, as the days gradually shorten but still ensure ample warmth and brightness, creating an inviting atmosphere for outdoor activities and exploration. As the landscape shifts toward October, with its slightly increased sunshine of 331 hours, the ongoing glow of Nandi Hills continues to entice both locals and visitors, embodying the region’s unique charm and appeal.

Monthly Sunshine Duration in Nandi Hills: September Highlighted

The September sunshine duration represents the total number of hours Nandi Hills 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.
JanFebMarAprMayJunJulAugSepOctNovDec278h307h334h307h321h321h329h338h329h331h323h341h
Data source: Nandi Hills September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nandi Hills During September

In September, Nandi Hills, Kenya, experiences a 32% chance of sunny weather, which reflects a slight uptick from the particularly cloudy months of July and August. Although September's sunshine likelihood is lower than the more promising months of January and June, it remains consistent with the transitional trend leading into October, which shares a similar 33% chance. Overall, while September may not be dominated by bright skies, it offers a moderate possibility for those hoping to enjoy the beautiful landscapes of Nandi Hills under sunny weather, making it a worthwhile time to visit.

Percentage of Sunny Days in September in Nandi Hills

The chart illustrates the percentage of sunny days in Nandi Hills 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 Nandi Hills experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%26%38%27%33%45%22%30%32%33%37%31%
Data source: Nandi Hills September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nandi Hills in September

In Nandi Hills, Kenya, the rhythm of day and night remains remarkably consistent throughout the year, with each month enjoying a steady 12 hours of daylight. This uniformity creates a captivating environment where the beauty of each season can be equally appreciated under a balanced sun. Whether it's the vibrant blossoms of March or the lush greenery of September, the reliable daylight duration fosters a thriving ecosystem, inviting both nature lovers and outdoor enthusiasts to explore the picturesque landscapes year-round. This constancy in daylight not only encourages a stable routine but also enriches the region's cultural traditions, making every month a delightful experience in Nandi Hills.

Average Daylight Hours in Nandi Hills for September

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

September Winds in Nandi Hills

As September unfolds in Nandi Hills, Kenya, the winds whisper a gentle 3 mph (1.4 m/s), marking a continuation of the tranquil breezes that have defined the region throughout the mid-year. With average wind speeds showing a gradual decline from March's 5 mph (2.1 m/s) peak, September's gusts reflect a stable yet subdued atmosphere, mirroring the mild weather typical of this time. The consistency in wind patterns—hovering around 3 mph from July to September—provides an ideal backdrop for outdoor exploration and appreciation of the stunning landscapes. As the year progresses towards October and November, a slight uptick in wind speeds invites a refreshing change, hinting at the dynamic rhythms of Nandi Hills that keep nature enthusiasts coming back for more.

Average September Wind Speed in Nandi Hills

The chart displays monthly wind speed patterns in Nandi Hills, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.72.11.51.41.41.21.41.4 m/s1.71.82.1
Data source: Nandi Hills September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nandi Hills Compares to Other Months

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

September and January present contrasting weather profiles. In September, average temperatures range from a mild 12°C (54°F) to a maximum of 29°C (85°F), accompanied by significant rainfall of 240 mm (9.5 in) spread over 23 days, resulting in a humidity level of 63%. In contrast, January offers slightly warmer conditions, with temperatures averaging between 12°C (54°F) and peaking at 32°C (89°F). Precipitation decreases dramatically to 69 mm (2.7 in) over just 9 days, while humidity remains comparable at 64%. For a detailed look at the weather patterns, check out Nandi Hills weather in January.

September and February exhibit notable differences in weather patterns. September sees average temperatures ranging from a mild 12°C (54°F) to a warm 29°C (85°F), with an average of 19°C (66°F), while February offers slightly warmer conditions, with averages from 11°C (53°F) to a high of 32°C (91°F) and an overall average of 21°C (70°F). Precipitation is significantly higher in September, with 240 mm (9.5 in) over 23 days, compared to February's 96 mm (3.8 in) across just 12 days. Additionally, the humidity in September is around 63%, whereas February enjoys a drier climate with a humidity level of 53%. For a closer look at the conditions in February, you can check Nandi Hills weather in February.

When comparing the weather in September and March, both months exhibit mild minimum temperatures of around 12°C (54°F), but March showcases a warmer average temperature of 21°C (69°F) compared to September’s 19°C (66°F). Additionally, March can reach higher maximum temperatures, peaking at 32°C (91°F) versus September's 29°C (85°F). While both months experience considerable rainfall, September is notably wetter with 240 mm (9.5 in) over 23 days, compared to March's 212 mm (8.3 in) over 18 days. Moreover, March boasts a lower humidity level of 49%, making it feel less muggy than the more humid September, which averages 63%. For a more detailed look at weather specifics, check out Nandi Hills weather in March.

When comparing the weather between September and April, we can see some notable differences. September experiences slightly cooler temperatures, with an average of 19°C (66°F), compared to April's warmer average of 20°C (68°F). While September has a maximum temperature of 29°C (85°F), April can reach up to 32°C (91°F), making it a bit hotter. However, September is characterized by higher humidity at 63%, while April's humidity is lower at 54%. Additionally, April sees more precipitation, with 409 mm (16.1 in) falling over 23 days, compared to September's 240 mm (9.5 in) within the same number of rainy days. The significant rainfall in April can be explored further at Nandi Hills weather in April.

September and May exhibit similar average temperatures, both around 19°C (66°F), but with slightly different temperature ranges; September sees a minimum of 12°C (54°F) and a maximum of 29°C (85°F), while May's temperatures range from a minimum of 13°C (55°F) to a maximum of 28°C (83°F). However, May experiences significantly higher precipitation, with 389 mm (15.3 in) over 27 days compared to September's 240 mm (9.5 in) over 23 days. Additionally, May has a slightly higher humidity level at 71%, compared to September's 63%. For a detailed look at the weather patterns specific to May, visit Nandi Hills weather in May.

When comparing the weather in September and June, we observe some subtle yet noteworthy differences. September tends to be slightly warmer, with average temperatures reaching 19°C (66°F) compared to June's 18°C (65°F). While September enjoys a maximum temperature of 29°C (85°F), June's highs cap at 28°C (82°F). Rainfall is more frequent in September, with a precipitation level of 240 mm (9.5 in) spread over 23 days, reflecting a wetter climate compared to June's 159 mm (6.3 in) on the same number of days. Furthermore, September has a humidity level of 63%, slightly lower than June's 70%, which may make it feel a bit more comfortable. For specific weather patterns, you can check Nandi Hills weather in June.

When comparing the weather in September and July, it's clear that September tends to be warmer and wetter. September boasts a wider temperature range with minimums of 12°C (54°F), an average of 19°C (66°F), and maximums reaching 29°C (85°F). In contrast, July's temperatures are slightly cooler, with a minimum of 12°C (53°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). Furthermore, September experiences significantly higher precipitation, measuring 240 mm (9.5 in) over 23 days, compared to July's 138 mm (5.4 in) over 24 days. Interestingly, although both months share the same humidity level of 63%, the increased rainfall in September makes for a noticeably different experience. For those interested in more specifics about July weather, refer to Nandi Hills weather in July.

In September, the weather shifts slightly warmer compared to August, with minimum temperatures starting at 12°C (54°F) and reaching a maximum of 29°C (85°F), compared to August’s minimum of 11°C (52°F) and a maximum of 27°C (81°F). The average temperature also sees a minor increase, moving to 19°C (66°F) from August's 18°C (65°F). However, September is notable for its higher precipitation, totaling 240 mm (9.5 in) over 23 days, compared to August's 174 mm (6.9 in) over 25 days, making it both wetter and slightly more humid at 63% versus August's 60%. For more insights on the weather during this period, you can check Nandi Hills weather in August.

September and October present a noticeable transition in weather patterns. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). There is significant rainfall during this month, totaling 240 mm (9.5 in) over 23 days, and humidity levels average around 63%. In contrast, October sees a slight increase in minimum temperature to 13°C (55°F) and a decrease in the maximum to 28°C (84°F), while the average remains consistent at 19°C (67°F). However, October brings even more precipitation, totaling 298 mm (11.7 in) over 25 days, and humidity rises to 76%. This increased moisture and frequency of rain can have a considerable impact on outdoor activities. For those interested in the specifics, you can find detailed information about the weather patterns here: Nandi Hills weather in October.

In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). The month is characterized by significant rainfall, totaling 240 mm (9.5 in) over 23 days, while humidity averages around 63%. In contrast, November brings slightly warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 30°C (85°F), averaging 20°C (67°F). Precipitation decreases to 173 mm (6.8 in) over 19 days, but humidity rises to a notable 89%. This shift in weather can impact outdoor activities and the overall atmosphere, making November feel more humid despite the temperature similarities. For more details on the weather during this month, check Nandi Hills weather in November.

In September, the weather features a range of temperatures from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), with an average of 19°C (66°F). The month sees considerable rainfall, totaling 240 mm (9.5 in) across 23 rainy days, accompanied by a humidity level of 63%. In contrast, December experiences slightly warmer temperatures with a minimum of 12°C (54°F), an average of 20°C (68°F), and a maximum of 31°C (88°F). Precipitation is significantly lower at 146 mm (5.8 in) and occurs over just 13 days, contributing to a higher humidity of 84%. For those interested in specifics, check out the Nandi Hills weather in December.

Compare Nandi Hills's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nandi Hills

As September unfolds in Nandi Hills, the weather transforms into a unique blend of warmth and moisture that distinguishes it from the other months. Though daytime temperatures can reach a comfortable 29°C (85°F), the nights cool down to a refreshing 12°C (54°F), creating a pleasant contrast. This month also stands out with a significant amount of rainfall, averaging 240 mm (9.5 in) over 23 days, resulting in lush, vibrant landscapes. The humidity sits at around 63%, adding a tropical feel to the atmosphere. Visitors can expect a refreshing embrace from nature, making September a captivating time to explore the scenic beauty of Nandi Hills. For more detailed insights, check out the full report on Nandi Hills Climate.