September weather forecastRumonge, Burundi
September
Weather in September
September marks a shift with a slight increase in both temperature and rainfall to 35mm (1.38") over an average of 14.7 days. Humidity levels rise a bit, indicating a return to the wet season. However, clear skies ensure prolonged sunshine hours and increased visibility despite the start of wetter weather. As always, consistent winds continue to maintain Rumonge's serene atmosphere.Temperature
The commencement of September notes an average high-temperature of a still warm 23.3°C (73.9°F), exhibiting little difference from the previous month. In Rumonge, the September nights cool down to an average low of 14.5°C (58.1°F).Humidity
August and September, with an average relative humidity of 62%, are the least humid months in Rumonge.Rainfall
In Rumonge, during September, the rain falls for 14.7 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 256.8 rainfall days, and 1091mm (42.95") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 5min.On the first day of September, sunrise is at 06:00 and sunset at 18:03. On the last day of the month, sunrise is at 05:47 and sunset at 17:56 CAT.
Sunshine
In September, the average sunshine is 10.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 5. January through December, with an average maximum UV index of 5, are months with the lowest UV index in Rumonge. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rumonge, Burundi
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is May (21.3°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is October (15.5°C).
The coldest month (with the lowest average low temperature) is June (12.4°C).
Average pressure in September
Rumonge, Burundi
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is June (1015.7mbar).
The months with the lowest atmospheric pressure are February, October and November (1012.6mbar).
Average wind speed in September
Rumonge, Burundi
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is July (6.4km/h).
The calmest months (with the lowest average wind speed) are January and December (4.5km/h).
Average humidity in September
Rumonge, Burundi
- Average humidity in September: 62%
The month with the highest relative humidity is May (84%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in September
Rumonge, Burundi
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is April (167mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Rumonge, Burundi
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is March (29.2 days).
The month with the least rainy days is July (7 days).
Average daylight in September /
Average sunshine in September
Rumonge, Burundi
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 10h and 18min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).
Average sunshine days in September
Rumonge, Burundi
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (0.8 days).
Average UV index in September
Rumonge, Burundi
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Rumonge, Burundi
- Average cloud cover in September: 24
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Rumonge, Burundi
- Average visibility in September: 10km
The months with the highest visibility are July, August, September and October (10km).
The months with the lowest visibility are April and May (8km).





