September weather forecastNciri, Burundi
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Nciri, Burundi, with temperature in the range of an average high of 26.6°C (79.9°F) and an average low of 17.2°C (63°F).Temperature
Nciri transitions into September recording an average high-temperature of a still warm 26.6°C (79.9°F), closely aligning with the preceding month's temperature. Nciri reports a consistent average low-temperature of 17.2°C (63°F) throughout September nights.Humidity
In September, the average relative humidity is 59%.Rainfall
In Nciri, in September, it is raining for 19.2 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 275.9 rainfall days, and 1662mm (65.43") of precipitation is accumulated.Daylight
In Nciri, the average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 05:57 and sunset at 18:01. On the last day of September, sunrise is at 05:45 and sunset at 17:53 CAT.
Sunshine
The average sunshine in September is 9.6h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in September transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nciri, Burundi
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is May (22.8°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is September (17.2°C).
The coldest month (with the lowest average low temperature) is June (14.4°C).
Average pressure in September
Nciri, Burundi
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is June (1015.8mbar).
The month with the lowest atmospheric pressure is February (1012.5mbar).
Average wind speed in September
Nciri, Burundi
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is July (10.2km/h).
The calmest month (with the lowest average wind speed) is December (4.8km/h).
Average humidity in September
Nciri, Burundi
- Average humidity in September: 59%
The month with the highest relative humidity is April (87%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Nciri, Burundi
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is November (248mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Nciri, Burundi
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is December (30.8 days).
The month with the least rainy days is July (5.1 days).
Average daylight in September /
Average sunshine in September
Nciri, 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: 12h and 0min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is May (Average sunshine: 8h and 6min).
Average sunshine days in September
Nciri, Burundi
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is July (25.1 days).
The month with the least sunshine days is December (0.1 days).
Average UV index in September
Nciri, Burundi
- Average UV index in September: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, October, November and December (UV index 5).
Average cloud cover in September
Nciri, Burundi
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Nciri, Burundi
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are March, April, May, November and December (8km).





