September weather forecastNalweyo, Uganda
September
Weather in September
September, the first month of the autumn in Nalweyo, is still a warm month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 17.5°C (63.5°F).Temperature
The arrival of September coincides with an average high-temperature of a still warm 27.5°C (81.5°F), indicating a minimal shift from August's 26.8°C (80.2°F). In Nalweyo, September nights cool down to an average of 17.5°C (63.5°F).Heat index
September's average heat index is appraised at a hot 31°C (87.8°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September is 82%.Rainfall
In Nalweyo, during September, the rain falls for 29.5 days and regularly aggregates up to 160mm (6.3") of precipitation. Throughout the year, there are 283.3 rainfall days, and 1407mm (55.39") of precipitation is accumulated.Daylight
In Nalweyo, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:50 and sunset at 18:58. On the last day of September, sunrise is at 06:41 and sunset at 18:47 EAT.
Sunshine
In September, the average sunshine is 9.1h.UV index
July, September and October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nalweyo, Uganda
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is February (33°C).
The months with the lowest average high temperature are May, June and August (26.8°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is July (16.5°C).
Average pressure in September
Nalweyo, Uganda
- Average pressure in September: 1012.4mbar
The months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is February (1009.4mbar).
Average wind speed in September
Nalweyo, Uganda
- Average wind speed in September: 3.9km/h
The windiest month (with the highest average wind speed) is February (5.5km/h).
The calmest month (with the lowest average wind speed) is October (3.8km/h).
Average humidity in September
Nalweyo, Uganda
- Average humidity in September: 82%
The month with the highest relative humidity is May (85%).
The months with the lowest relative humidity are January and February (49%).
Average rainfall in September
Nalweyo, Uganda
- Average rainfall in September: 160mm
The wettest month (with the highest rainfall) is October (240mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Nalweyo, Uganda
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is October (30.4 days).
The month with the least rainy days is January (6.9 days).
Average daylight in September /
Average sunshine in September
Nalweyo, Uganda
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The months with the least sunshine are May and October (Average sunshine: 8h and 18min).
Average sunshine days in September
Nalweyo, Uganda
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is January (22.4 days).
The months with the least sunshine days are September and October (0.2 days).
Average UV index in September
Nalweyo, Uganda
- Average UV index in September: 5
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are July, September and October (UV index 5).
Average cloud cover in September
Nalweyo, Uganda
- Average cloud cover in September: 32
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility in September
Nalweyo, Uganda
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, August, September, October and November (8km).
