September weather forecastRwamagana, Rwanda
September
Weather in September
September in Rwamagana records a slight drop in temperature reaching from 16.6°C (61.9°F) to 26°C (78.8°F). It marks an increase in rainfall to 97mm (3.82"), indicating a roll back to wetter months. Concurrently, increased humidity and cloud cover exhibit a change in the city's weather pattern. Despite the reduction in wind gusts to 9.1km/h (5.7mph), the UV index remains constant. September serves as an announcement of the upcoming rainier season.Temperature
September's beginning signals an average high-temperature of a still moderately hot 26°C (78.8°F), barely different from August's 26.8°C (80.2°F). Rwamagana throughout September, experiences an average nighttime temperature of 16.6°C (61.9°F).Humidity
In September, the average relative humidity is 64%.Rainfall
In Rwamagana, in September, during 24.7 rainfall days, 97mm (3.82") of precipitation is typically accumulated. Throughout the year, there are 279 rainfall days, and 1291mm (50.83") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 6min.On the first day of September, sunrise is at 05:55 and sunset at 18:00. On the last day of the month, sunrise is at 05:44 and sunset at 17:51 CAT.
Sunshine
In Rwamagana, the average sunshine in September is 9.8h.UV index
The months with the highest UV index are January, July through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 6 in September transforms into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rwamagana, Rwanda
- Average high temperature in September: 26°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: 16.6°C
The month with the highest average low temperature is September (16.6°C).
The coldest month (with the lowest average low temperature) is June (13.8°C).
Average pressure in September
Rwamagana, Rwanda
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is June (1015.8mbar).
The month with the lowest atmospheric pressure is February (1012.6mbar).
Average wind speed in September
Rwamagana, Rwanda
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is July (7.3km/h).
The calmest month (with the lowest average wind speed) is November (4.6km/h).
Average humidity in September
Rwamagana, Rwanda
- Average humidity in September: 64%
The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Rwamagana, Rwanda
- Average rainfall in September: 97mm
The wettest month (with the highest rainfall) is October (186mm).
The driest month (with the least rainfall) is July (13mm).
Average rainfall days in September
Rwamagana, Rwanda
- Average rainfall days in September: 24.7 days
The months with the highest number of rainy days are April and November (29.2 days).
The month with the least rainy days is July (7.8 days).
Average daylight in September /
Average sunshine in September
Rwamagana, Rwanda
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is December (Average sunshine: 10h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 42min).
Average sunshine days in September
Rwamagana, Rwanda
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is November (0.5 days).
Average UV index in September
Rwamagana, Rwanda
- Average UV index in September: 6
The months with the highest UV index are January, July, August and September (UV index 6).
The months with the lowest UV index are February, March, April, May, June, October, November and December (UV index 5).
Average cloud cover in September
Rwamagana, Rwanda
- Average cloud cover in September: 28
The month with the most cloud cover is May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Rwamagana, Rwanda
- Average visibility in September: 10km
The months with the highest visibility are February, June, July, August and September (10km).
The months with the lowest visibility are April and May (8km).
