September weather forecastOnder, Uganda
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Onder, Uganda, with an average temperature ranging between min 17.5°C (63.5°F) and max 27.5°C (81.5°F).Temperature
September observes an average high-temperature of a still warm 27.5°C (81.5°F), marking an insignificant difference from August's 26.9°C (80.4°F). Onder records a consistent low-temperature of 17.5°C (63.5°F) during September nights.Heat index
September's mean heat index is appraised at a tropical 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
The average relative humidity in September is 81%.Rainfall
In Onder, in September, during 28.9 rainfall days, 167mm (6.57") of precipitation is typically accumulated. In Onder, during the entire year, the rain falls for 235.5 days and collects up to 1389mm (54.69") of precipitation.Daylight
In September, the average length of the day is 12h and 8min.On the first day of September in Onder, sunrise is at 06:51 and sunset at 19:01. On the last day of the month, sunrise is at 06:43 and sunset at 18:49 EAT.
Sunshine
In Onder, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 6 suggests this advice:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onder, Uganda
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is February (33.4°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is February (20.8°C).
The coldest months (with the lowest average low temperature) are July and August (17.1°C).
Average pressure in September
Onder, Uganda
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is February (1008.7mbar).
Average wind speed in September
Onder, Uganda
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Onder, Uganda
- Average humidity in September: 81%
The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (38%).
Average rainfall in September
Onder, Uganda
- Average rainfall in September: 167mm
The wettest month (with the highest rainfall) is October (226mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in September
Onder, Uganda
- Average rainfall days in September: 28.9 days
The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is January (3.1 days).
Average daylight in September /
Average sunshine in September
Onder, Uganda
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 30min).
Average sunshine days in September
Onder, Uganda
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is August (0.2 days).
Average UV index in September
Onder, Uganda
- Average UV index in September: 6
The months with the highest UV index are January, February and December (UV index 7).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Onder, Uganda
- Average cloud cover in September: 36
The month with the most cloud cover is August (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 10).
Average visibility in September
Onder, 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 July, August, September and October (8km).
