September weather forecastNyamagabe, Rwanda
September
Weather in September
The arrival of September in Nyamagabe, Rwanda signifies a letting up of the summer intensity. A critical shift from August to September is a sudden increase in rainfall from 25mm (0.98") to 79mm (3.11"), marking the start of a wetter phase. Despite this, sunshine hours maintain a steady high, affording brightness and warmth to the city. The wind speed recedes gradually, engendering a sense of calm. September serves as a precursor for the incoming cold and rainy October.Temperature
The onset of September manifests an average high-temperature of a still moderately hot 24.3°C (75.7°F), demonstrating a minor variation from the preceding month. Nyamagabe experiences an average low-temperature of 15.3°C (59.5°F) in the month of September.Humidity
The average relative humidity in September in Nyamagabe is 65%.Rainfall
In Nyamagabe, in September, it is raining for 20.7 days, with typically 79mm (3.11") of accumulated precipitation. Throughout the year, there are 272.8 rainfall days, and 1185mm (46.65") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 6min.On the first day of September in Nyamagabe, sunrise is at 05:59 and sunset at 18:04. On the last day of the month, sunrise is at 05:48 and sunset at 17:55 CAT.
Sunshine
With an average of 10.3h of sunshine, September has the most sunshine of the year.UV index
The months with the highest UV index in Nyamagabe are January through December, with an average maximum UV index of 5. The months with the lowest UV index are January through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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
Nyamagabe, Rwanda
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is May (21.3°C).
- Average low temperature in September: 15.3°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 (12.8°C).
Average pressure in September
Nyamagabe, Rwanda
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is June (1016mbar).
The month with the lowest atmospheric pressure is February (1012.7mbar).
Average wind speed in September
Nyamagabe, Rwanda
- Average wind speed in September: 6.6km/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 December (4.4km/h).
Average humidity in September
Nyamagabe, Rwanda
- Average humidity in September: 65%
The month with the highest relative humidity is May (88%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Nyamagabe, Rwanda
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in September
Nyamagabe, Rwanda
- Average rainfall days in September: 20.7 days
The month with the highest number of rainy days is December (28.9 days).
The month with the least rainy days is July (10.5 days).
Average daylight in September /
Average sunshine in September
Nyamagabe, Rwanda
- 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: 10h and 18min
The month with the most sunshine is September (Average sunshine: 10h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 48min).
Average sunshine days in September
Nyamagabe, Rwanda
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is July (19.3 days).
The month with the least sunshine days is December (1.8 days).
Average UV index in September
Nyamagabe, Rwanda
- 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
Nyamagabe, Rwanda
- Average cloud cover in September: 27
The months with the most cloud cover are April and May (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Nyamagabe, Rwanda
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are April and May (7km).
