September weather forecastMengo, Uganda
September
Weather in September
September, the first month of the autumn in Mengo, is still a warm month, with an average temperature fluctuating between 25.4°C (77.7°F) and 16.9°C (62.4°F).Temperature
As August turns into September, the average high-temperatures rest at a still moderately hot 25.4°C (77.7°F), showing a minor variation from the prior month. Mengo, in September, witnesses an average low-temperature of 16.9°C (62.4°F).Humidity
In Mengo, the average relative humidity in September is 81%.Rainfall
In September, in Mengo, the rain falls for 23.5 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Mengo, during the entire year, the rain falls for 231.2 days and collects up to 477mm (18.78") of precipitation.Daylight
In Mengo, the average length of the day in September is 12h and 7min.On the first day of September, sunrise is at 06:45 and sunset at 18:52. On the last day of the month, sunrise is at 06:35 and sunset at 18:42 EAT.
Sunshine
In September, the average sunshine in Mengo is 9.2h.UV index
The months with the lowest UV index in Mengo are June, July, September and October, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mengo, Uganda
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is May (24.4°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is March (17.8°C).
The coldest month (with the lowest average low temperature) is July (16.3°C).
Average pressure in September
Mengo, 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 (1009.7mbar).
Average wind speed in September
Mengo, Uganda
- Average wind speed in September: 5.6km/h
The windiest months (with the highest average wind speed) are February, March, May and June (7.4km/h).
The calmest months (with the lowest average wind speed) are November and December (5.2km/h).
Average humidity in September
Mengo, Uganda
- Average humidity in September: 81%
The month with the highest relative humidity is November (85%).
The months with the lowest relative humidity are January and February (72%).
Average rainfall in September
Mengo, Uganda
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Mengo, Uganda
- Average rainfall days in September: 23.5 days
The months with the highest number of rainy days are September and October (23.5 days).
The month with the least rainy days is January (10.8 days).
Average daylight in September /
Average sunshine in September
Mengo, Uganda
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is October (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are January and February (Average sunshine: 9h and 30min).
The months with the least sunshine are April and May (Average sunshine: 8h and 24min).
Average sunshine days in September
Mengo, Uganda
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is January (14.4 days).
The month with the least sunshine days is September (2.4 days).
Average UV index in September
Mengo, Uganda
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, November and December (UV index 6).
The months with the lowest UV index are June, July, September and October (UV index 5).
Average cloud cover in September
Mengo, Uganda
- Average cloud cover in September: 29
The month with the most cloud cover is May (Cloud cover 39).
The months with the least cloud cover are January and February (Cloud cover 19).
Average visibility in September
Mengo, Uganda
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, June and July (10km).
The month with the lowest visibility is November (8km).





