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September Weather in Kisiwani, Tanzania

Last updated: August 28, 2025

In September, the average temperature in Kisiwani, Tanzania is a pleasant 21°C (71°F). Expect a minimum of 14°C (58°F) and a maximum of 31°C (88°F), providing a nice variety to your daily activities. However, be prepared for some rain, as 32 mm (1.3 in) of precipitation is expected over 8 days. With an average humidity of 74%, you'll want to stay hydrated and enjoy the mild weather!

September Temperature in Kisiwani

In September in Kisiwani, the average temperature is 21°C (71°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 14°C (58°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Kisiwani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kisiwani, September typically has an average temperature of 21°C (71°F), with highs reaching up to 31°C (88°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec747576747169686970737374
Data source: Temperature data for Kisiwani 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 Kisiwani

In Kisiwani in September, the precipitation amount is 32 mm (1.3 in) over the course of 8 days.

September Precipitation Trends in Kisiwani

The chart displays monthly precipitation patterns in Kisiwani, 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 Kisiwani, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7465121195185211730328590100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kisiwani

In Kisiwani in September, humidity is 74%. With an average temperature of 21°C (71°F), this humidity feels like traveling through a warm, damp blanket, making outdoor excursions feel sticky and a bit stifling, often prompting the need for frequent breaks to stay refreshed.

September Average Humidity in Kisiwani

This chart illustrates the average monthly humidity levels in Kisiwani, 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 Kisiwani is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%69%70%83%86%82%75%74%78%86%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kisiwani

In Kisiwani in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Kisiwani, you can check here.

Maximum UV Index Levels in Kisiwani for September

The chart shows the monthly maximum UV Index (UVI) for Kisiwani 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 Kisiwani typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311111314141314
Data source: Kisiwani 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 Kisiwani Compares to Other Months

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

This table compares monthly weather conditions in Kisiwani, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)74 mm (2.9 inches)74%extreme
February Weather24°C (75°F)65 mm (2.6 inches)71%extreme
March Weather24°C (76°F)121 mm (4.8 inches)69%extreme
April Weather23°C (74°F)195 mm (7.7 inches)70%extreme
May Weather22°C (71°F)185 mm (7.3 inches)83%extreme
June Weather20°C (69°F)21 mm (0.8 inches)86%extreme
July Weather20°C (68°F)17 mm (0.7 inches)82%extreme
August Weather21°C (69°F)30 mm (1.2 inches)75%extreme
September Weather21°C (71°F)32 mm (1.3 inches)74%extreme
October Weather23°C (73°F)85 mm (3.3 inches)78%extreme
November Weather23°C (74°F)90 mm (3.5 inches)85%extreme
December Weather23°C (74°F)100 mm (4.0 inches)83%extreme

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