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September Weather in Napak, Uganda

Last updated: August 28, 2025

In September, the average temperature in Napak, Uganda hovers around 23°C (73°F). Daytime highs can reach up to 32°C (89°F), while nights cool down to a minimum of 16°C (61°F). Expect a relatively wet month with 172 mm (6.8 in) of precipitation spread over 19 days, contributing to an average humidity level of 85%.

September Temperature in Napak

In September in Napak, the average temperature is 23°C (73°F). Maximums can reach 32°C (89°F) and minimums can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking pleasant weather and comfortable outdoor activities.

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

The chart illustrates September temperature patterns in Napak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Napak, September typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979777473717273747576
Data source: Temperature data for Napak 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 Napak

In Napak in September, the total precipitation amount reaches 172 mm (6.8 in) over a span of 19 days.

September Precipitation Trends in Napak

The chart displays monthly precipitation patterns in Napak, 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 Napak, September typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1016801522081521841671721676031
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Napak

In Napak in September, humidity is 85%. With an average temperature of 23°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit strenuous and prompting frequent breaks for hydration.

September Average Humidity in Napak

This chart illustrates the average monthly humidity levels in Napak, 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 Napak is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%42%35%49%77%78%78%83%85%89%89%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Napak

In Napak 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 Napak, you can check here.

Maximum UV Index Levels in Napak for September

The chart shows the monthly maximum UV Index (UVI) for Napak 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 Napak typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151412121314131312
Data source: Napak 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 Napak Compares to Other Months

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

This table compares monthly weather conditions in Napak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)10 mm (0.4 inches)53%extreme
February Weather26°C (79°F)16 mm (0.6 inches)42%extreme
March Weather26°C (79°F)80 mm (3.1 inches)35%extreme
April Weather25°C (77°F)152 mm (6.0 inches)49%extreme
May Weather23°C (74°F)208 mm (8.2 inches)77%extreme
June Weather23°C (73°F)152 mm (6.0 inches)78%extreme
July Weather22°C (72°F)184 mm (7.3 inches)78%extreme
August Weather22°C (72°F)167 mm (6.6 inches)83%extreme
September Weather23°C (73°F)172 mm (6.8 inches)85%extreme
October Weather23°C (74°F)167 mm (6.6 inches)89%extreme
November Weather24°C (76°F)60 mm (2.4 inches)89%extreme
December Weather25°C (77°F)31 mm (1.2 inches)82%extreme

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