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September Weather in Sirisia, Kenya

Last updated: August 23, 2025

In September, the average temperature in Sirisia, Kenya hovers around 23°C (74°F). You can expect a minimum of 19°C (66°F) and a maximum of 28°C (82°F). Be prepared for some rain, as 126 mm (4.9 in) of precipitation typically falls over 20 days during this month, complemented by an average humidity level of 73%.

September Temperature in Sirisia

In September in Sirisia, the average temperature is a pleasant 23°C (74°F). The maximum can reach a comfortable 28°C (82°F), while the minimum can dip to a cooler 19°C (66°F). This makes Sirisia an ideal destination for travelers seeking a mild climate and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Sirisia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sirisia, September typically has an average temperature of 23°C (74°F), with highs reaching up to 28°C (82°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec757675757474737474747475
Data source: Temperature data for Sirisia 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 Sirisia

In Sirisia in September, the precipitation amount is 126 mm (4.9 in) over a span of 20 days.

September Precipitation Trends in Sirisia

The chart displays monthly precipitation patterns in Sirisia, 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 Sirisia, September typically receives around 126 mm (4.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec11012422529727512893103126238227186
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sirisia

In Sirisia in September, humidity is 73%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making traveling a bit sweaty and heavy, but still pleasant if you stay hydrated and take breaks in the shade.

September Average Humidity in Sirisia

This chart illustrates the average monthly humidity levels in Sirisia, 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 Sirisia is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%72%69%73%81%75%71%69%73%80%85%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sirisia

In Sirisia in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sirisia.

Maximum UV Index Levels in Sirisia for September

The chart shows the monthly maximum UV Index (UVI) for Sirisia 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 Sirisia typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311111213131212
Data source: Sirisia 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.

How September Weather in Sirisia Compares to Other Months

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

This table compares monthly weather conditions in Sirisia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)110 mm (4.3 inches)72%extreme
February Weather25°C (76°F)124 mm (4.9 inches)72%extreme
March Weather24°C (76°F)225 mm (8.9 inches)69%extreme
April Weather24°C (75°F)297 mm (11.7 inches)73%extreme
May Weather23°C (74°F)275 mm (10.8 inches)81%extreme
June Weather23°C (74°F)128 mm (5.0 inches)75%extreme
July Weather23°C (73°F)93 mm (3.7 inches)71%extreme
August Weather23°C (74°F)103 mm (4.1 inches)69%extreme
September Weather23°C (74°F)126 mm (4.9 inches)73%extreme
October Weather23°C (74°F)238 mm (9.4 inches)80%extreme
November Weather23°C (74°F)227 mm (8.9 inches)85%extreme
December Weather24°C (75°F)186 mm (7.3 inches)80%extreme

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