September Weather in Iten, Kenya

Last updated: August 21, 2025

Nestled in the heart of Kenya, Iten experiences a balmy September, where temperatures range from a pleasant 11°C (52°F) at night to a comfortable 27°C (82°F) during the day, averaging around 18°C (64°F). This month brings substantial precipitation, totaling 227 mm (8.9 in) over 17 days, contributing to the vibrant greenery that characterizes the region. With an average humidity of 58%, September is a remarkable time to embrace the refreshing ambiance of Iten, making it an ideal destination for both adventure seekers and those in search of a serene natural escape.

September Temperature in Iten

In Iten, Kenya, September showcases a transition towards the warmer months, with temperatures gently rising following the cooler winter period. The average temperature settles at 18°C (64°F), a modest increase from the preceding months. Morning lows hover around 11°C (52°F), providing a crisp start to the day, while daytime highs reach up to 27°C (82°F), offering a pleasant warmth perfect for outdoor activities. This pattern reflects the gradual shift from the chilly, damp conditions of July and August, as September marks a harmonious balance between the lingering coolness and the approaching warmth of October, making it an ideal time for visitors and locals alike to enjoy the idyllic climate of this serene highland town.

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

The chart illustrates September temperature patterns in Iten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iten, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686970696765626364666767
Data source: Temperature data for Iten 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 Iten

September in Iten, Kenya, marks a notable shift in the region's precipitation patterns, as the month receives 227 mm (8.9 in) of rainfall over 17 days. This represents a decline from the wettest months of July and August, which saw significantly higher totals of 312 mm and 285 mm respectively. While still maintaining a healthy amount of rain, September's precipitation signals the gradual transition from peak rainy season, providing lush sustenance to the surrounding landscape. The consistent pattern of rainfall days continues, with 17 days contributing to the month’s totals, mirroring the wet conditions of June and July. As the year progresses, these trends underline the cyclical nature of Iten’s climate, balancing heavy downpours with drier periods in the months to come.

September Precipitation Trends in Iten

The chart displays monthly precipitation patterns in Iten, 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 Iten, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec243167981402113122852271063847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Iten

September in Iten, Kenya, is marked by a moderate humidity level of 58%, slightly higher than the preceding months of cooler, drier air. This increase signals a transition from the milder, drier conditions of early winter, with humidity levels peaking in the subsequent months. Notably, May and the latter part of the year experience a significant rise, reaching 88% in November and 76% in October, indicating a shift towards the wetter rainy season. As summer wanes, September’s balance in humidity prepares residents for the more humid months ahead, showcasing Iten's characteristic climate fluctuations throughout the year.

September Average Humidity in Iten

This chart illustrates the average monthly humidity levels in Iten, 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 Iten is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%44%43%47%67%61%53%57%58%76%89%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Iten

September in Iten, Kenya presents a UV Index of 14, maintaining the trend of extreme exposure prevalent throughout the year. With a consistent burn time of just 10 minutes, it's crucial for residents and visitors alike to take sun safety seriously. This month marks a slight dip from the peak of March's UV Index of 17, yet it still underscores the necessity of protective measures against harmful UV radiation. As the year progresses towards the end, the UV levels remain noteworthy, indicating that careful planning is essential for outdoor activities. For more detailed insights, visit Iten UV Index.

Maximum UV Index Levels in Iten for September

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

In September, Iten, Kenya, enjoys a delightful 338 hours of sunshine, reinforcing its reputation as a sun-drenched haven. As the year progresses, sunshine peaks from January's 286 hours to a high of 347 hours in March, showcasing a clear upward trend through the early months. After a slight dip in April, the hours remain impressively consistent, hovering around the 330-hour mark from June through September. This period marks a promising transition into the year's final quarter, where hours of sunshine gradually increase again, culminating in a bright 353 hours in December. The overall trend reveals that Iten basks in abundant sunlight, making it an ideal retreat for those seeking warmth and vitality throughout the year.

Monthly Sunshine Duration in Iten: September Highlighted

The September sunshine duration represents the total number of hours Iten 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.
JanFebMarAprMayJunJulAugSepOctNovDec286h316h347h328h340h331h333h346h338h345h336h353h
Data source: Iten September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Iten During September

In Iten, Kenya, the likelihood of sunny weather in September stands at 35%, reflecting a modest chance of clear skies as the region transitions from the cooler months. This percentage is relatively consistent with August's 33%, suggesting that while the sun may peek through, clouds might still be a familiar sight. Unlike the more prominent sun exposure experienced in January and June—both with a 47% chance—September's weather hints at the gradual shift towards warmer, brighter days as the year progresses. Looking ahead, the 43% chance in November promises a sunnier farewell to the year, but for now, September embodies the typical variability seen in this part of the world.

Percentage of Sunny Days in September in Iten

The chart illustrates the percentage of sunny days in Iten 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 Iten experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%31%44%38%36%47%18%33%35%36%43%37%
Data source: Iten September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Iten in September

In Iten, Kenya, the daylight duration remains remarkably consistent throughout the year, with 12 hours of daylight each day from January to December. This uniformity offers a unique charm, creating a rhythm that aligns well with the region's agricultural cycles and daily activities. As September rolls around, residents and visitors alike can expect the same reliable flow of sunlight that characterizes every month, fostering an environment where the beauty of the natural world can be enjoyed in equal measure, regardless of the season. This consistency not only supports a vibrant ecosystem but also encourages outdoor pursuits, making Iten a haven for adventurers and those seeking connection with nature.

Average Daylight Hours in Iten for September

The chart illustrates the variation in daylight duration in Iten throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 4m12h 5m12h 5m12h 6m12h 8m12h 9m12h 8m12h 7m12h 5m12h 5m12h 4m12h 4m
Data source: Iten daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Iten

As September unfolds in Iten, Kenya, the wind carries a gentle touch, with an average speed of 1.2 m/s (3 mph). This marks a slight dip from the breezier months of March and November, which boast average speeds of 2.6 m/s (6 mph) and 2.3 m/s (5 mph), respectively. Throughout the year, a distinct pattern emerges: the winds tend to strengthen towards the end of the year after a generally calmer mid-year phase. This transition from the mild winds of late summer to the more invigorating breezes of autumn not only adds a refreshing note to the landscape but also signals a shift that athletes and nature enthusiasts alike eagerly anticipate, as it enriches their experience in this picturesque highland region.

Average September Wind Speed in Iten

The chart displays monthly wind speed patterns in Iten, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.82.62.21.31.51.01.11.2 m/s1.92.32.7
Data source: Iten September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Iten Compares to Other Months

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

September and January offer contrasting weather experiences. In September, temperatures range from a cool 11°C (52°F) at night to a pleasant 27°C (82°F) during the day, with an average temperature of 18°C (64°F). This month sees significant precipitation, with 227 mm (8.9 in) falling over 17 days, resulting in a humid atmosphere with humidity levels around 58%. In comparison, January brings warmer temperatures, ranging from a minimum of 11°C (53°F) to a maximum of 30°C (86°F), with an average temperature of 20°C (68°F). Precipitation drops dramatically to just 24 mm (0.9 in) over a mere 3 days, maintaining a similar humidity level of 57%. For a more detailed look at January weather, visit Iten weather in January.

September typically brings a milder climate with average temperatures ranging from 11°C (52°F) to a high of 27°C (82°F), characterized by significant rainfall of 227 mm (8.9 in) spread over 17 days and a humidity level of 58%. In contrast, February enjoys warmer temperatures, averaging around 21°C (69°F), with highs reaching up to 30°C (86°F). This month sees considerably less rainfall, with only 31 mm (1.2 in) over just 4 days, and lower humidity at 44%. For more details on February weather, you can check Iten weather in February. Overall, February offers a drier and warmer experience compared to the relatively wetter and cooler September.

In comparing the weather of September and March, September tends to be cooler with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 27°C (82°F), while March features warmer conditions with temperatures from a minimum of 12°C (53°F) to a maximum of 32°C (90°F). Additionally, September is significantly wetter, experiencing an average precipitation of 227 mm (8.9 in) over 17 days, compared to March's much drier climate with only 67 mm (2.6 in) of rainfall over 8 days. Humidity levels also differ, as September has a higher average humidity of 58%, compared to March's lower 43%. For more detailed insights, you can check out Iten weather in March.

When comparing the weather in September and April, notable differences emerge in both temperature and precipitation. September typically sees cooler temperatures, with an average of 18°C (64°F) and a max of 27°C (82°F), while April enjoys warmer conditions, averaging 21°C (69°F) and reaching highs of 32°C (89°F). In terms of precipitation, September is significantly wetter, with 227 mm (8.9 in) falling over 17 days, contrasted with April’s 98 mm (3.9 in) over just 11 days. The humidity is also higher in September at 58%, compared to April’s 47%. For more specifics on April weather, you can check Iten weather in April.

In comparing the weather of September and May, May tends to be slightly warmer with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 30°C (86°F), while September has a cooler average of 18°C (64°F) with temperatures ranging from 11°C (52°F) to 27°C (82°F). May also experiences lower precipitation at 140 mm (5.5 in) over about 16 days, compared to September's higher precipitation of 227 mm (8.9 in) over 17 days. Additionally, May's humidity is higher at 67%, compared to September's 58%, making May feel more humid overall. For more detailed information on the weather in May, you can visit Iten weather in May.

In June, the weather shows a slight variability compared to September, particularly in terms of temperature and humidity. Both months experience a minimum temperature of around 11°C (52°F) to 11°C (53°F), and the average temperature hovers around 18°C (64°F to 65°F). However, September reaches a maximum temperature of 27°C (82°F), while June slightly surpasses this with a maximum of 28°C (82°F). Precipitation levels are also comparable, with September receiving 227 mm (8.9 in) over 17 days, slightly higher than June's 211 mm (8.3 in) over the same number of days. Humidity is marginally higher in June at 61% compared to 58% in September, indicating a slight increase in moisture content in the air. For more detailed insights, you can check Iten weather in June.

In comparing the weather of September and July, September generally experiences warmer temperatures, with an average of 18°C (64°F) compared to July's 17°C (62°F). However, both months share the same minimum temperature of 11°C (52°F). July is characterized by a cooler maximum temperature of 24°C (76°F), while September can reach up to 27°C (82°F). Precipitation is notably higher in July, with 312 mm (12.3 in) over 28 days, compared to September's 227 mm (8.9 in) spread over 17 days. Additionally, the humidity is slightly higher in September at 58%, compared to July's 53%. For a more detailed look at July's weather patterns, you can visit Iten weather in July.

In comparing the weather of September and August, it’s evident that September experiences slightly warmer temperatures, with an average of 18°C (64°F), compared to August's 17°C (63°F). Both months have a minimum temperature of around 11°C (51-52°F), while September's maximum reaches 27°C (82°F), just a degree warmer than August's 26°C (78°F). However, September sees an increase in precipitation with 227 mm (8.9 in) over 17 rainy days, while August is wetter with 285 mm (11.2 in) across 23 days, leading to a marginally lower humidity level in September at 58% compared to August’s 57%. For more details, you can check Iten weather in August.

September and October present a gradual transition in weather conditions. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 27°C (82°F), with an average of 18°C (64°F). The month also experiences significant precipitation, totaling 227 mm (8.9 in) over 17 days, accompanied by a humidity level of 58%. In contrast, October sees slightly warmer temperatures with a minimum of 13°C (55°F), an average of 19°C (66°F), and a peak of 29°C (84°F). Rainfall decreases to 106 mm (4.2 in) over 15 days, while humidity rises to 76%. For a detailed look at the weather in October, visit Iten weather in October.

September typically experiences a wide range of temperatures, with a minimum of 11°C (52°F) and a maximum of 27°C (82°F), leading to an average of 18°C (64°F). This month brings significant rainfall, totaling 227 mm (8.9 in) over 17 days, alongside a moderate humidity of 58%. In contrast, November features slightly warmer temperatures, with a minimum of 13°C (55°F) and a maximum of 28°C (83°F), resulting in an average temperature of 19°C (67°F). Rainfall is considerably lower in November, with only 38 mm (1.5 in) over 9 days, though humidity rises to a notable 88%. For more detailed insights, you can check Iten weather in November.

When comparing the weather in September and December, we see that both months feature a minimum temperature of around 11°C (52°F), but December boasts a slightly higher average temperature of 19°C (67°F) compared to September's 18°C (64°F). Notably, December experiences warmer maximum temperatures, reaching up to 29°C (84°F), while September peaks at 27°C (82°F). Additionally, precipitation patterns differ significantly; September sees much higher rainfall at 227 mm (8.9 in) over 17 days, whereas December experiences only 47 mm (1.8 in) over just 4 days. This results in increased humidity in December at 78%, compared to September's 58%. For more detailed information, you can check Iten weather in December.

Compare Iten's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Iten

As September unfolds in Iten, the weather offers a refreshing transition, characterized by milder temperatures and a higher tendency for precipitation compared to the drier months. With maximum daytime temperatures settling comfortably around 27°C and cooler nights dropping to 11°C, this month is ideal for those preferring a temperate climate. The average humidity level at 58% creates a pleasant atmosphere, perfect for outdoor activities, even though the region experiences frequent rain on approximately half of the days. This shift into the wetter season signifies a vibrant change in the landscape, making it an excellent time to explore the natural beauty of Iten. For a more detailed look into the weather patterns of this unique location, check out Iten Climate.