September Weather in Sironko, Uganda

Last updated: August 28, 2025

In September, the average temperature in Sironko, Uganda is a pleasant 20°C (69°F). With a minimum of 14°C (58°F) and a maximum reaching 28°C (82°F), this month offers a comfortable range for outdoor activities. However, be prepared for significant rainfall, with 405 mm (16.0 in) expected over 28 days. High average humidity at 86% adds to the tropical ambiance, making it essential to stay hydrated and enjoy the lush surroundings!

September Temperature in Sironko

In September in Sironko, the average temperature is 20°C (69°F). Maximum temperatures can reach 28°C (82°F), while minimum temperatures can drop to as low as 14°C (58°F). This mild climate makes Sironko an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Sironko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sironko, September typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (82°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec717271706969686869696970
Data source: Temperature data for Sironko 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 Sironko

In Sironko in September, the precipitation amount is 405 mm (16.0 in) over the course of 28 days.

September Precipitation Trends in Sironko

The chart displays monthly precipitation patterns in Sironko, 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 Sironko, September typically receives around 405 mm (16.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec6795271457709301236321405655376182
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Sironko

In Sironko in September, humidity is 86%. With an average temperature of 20°C (69°F), this humidity feels like a warm, dense blanket wrapping around you, making travel feel sluggish and sticky, as each step can leave you yearning for a cool breeze or a refreshing drink.

September Average Humidity in Sironko

This chart illustrates the average monthly humidity levels in Sironko, 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 Sironko is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%52%46%56%83%83%83%84%86%89%90%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sironko

In Sironko 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 Sironko, you can check here.

Maximum UV Index Levels in Sironko for September

The chart shows the monthly maximum UV Index (UVI) for Sironko 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 Sironko typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412131314141313
Data source: Sironko 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 Sironko Compares to Other Months

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

This table compares monthly weather conditions in Sironko, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)67 mm (2.6 inches)59%extreme
February Weather22°C (73°F)95 mm (3.7 inches)52%extreme
March Weather22°C (72°F)271 mm (10.7 inches)46%extreme
April Weather21°C (70°F)457 mm (18.0 inches)56%extreme
May Weather21°C (69°F)709 mm (27.9 inches)83%extreme
June Weather20°C (69°F)301 mm (11.9 inches)83%extreme
July Weather20°C (68°F)236 mm (9.3 inches)83%extreme
August Weather20°C (69°F)321 mm (12.7 inches)84%extreme
September Weather20°C (69°F)405 mm (16.0 inches)86%extreme
October Weather21°C (69°F)655 mm (25.8 inches)89%extreme
November Weather21°C (69°F)376 mm (14.8 inches)90%extreme
December Weather21°C (70°F)182 mm (7.2 inches)82%extreme

Compare Sironko's Climate with Cities Worldwide