September weather forecast
Gulu, Uganda

September brings with it a shift in weather that spells a decrease in rainfall and a slight escalation in temperature in Gulu. Though the decreasing rainfall is a prominent feature, the continuing moisture content in the atmosphere keeps the air loaded with humidity. The recorded wind speed drops to an average of 4km/h (2.5mph), lending a calm and serene atmosphere to the city. Though rainy, the brightness of the sun becomes noticeably evident once again towards the end of the month.

Temperature

Gulu signifies an average high-temperature of a still moderately hot 28.2°C (82.8°F) in September, closely mirroring the 27.1°C (80.8°F) of August. Throughout the month of September, the nighttime temperature dips to an average of 17.4°C (63.3°F).

Heat index

September's average heat index is estimated at a hot 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In September, the rain falls for 27.1 days. Throughout September, 134mm (5.28") of precipitation is accumulated. In Gulu, during the entire year, the rain falls for 248.4 days and collects up to 1167mm (45.94") of precipitation.

Daylight

In September, the average length of the day is 12h and 8min.
On the first day of September in Gulu, sunrise is at 06:45 and sunset at 18:55. On the last day of the month, sunrise is at 06:37 and sunset at 18:43 EAT.

Sunshine

The average sunshine in September in Gulu is 9.1h.

UV index

The average daily maximum UV index in September in Gulu is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during September translates into the following guidance:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.