September weather forecastRusumo, Rwanda
September
Weather in September
September, the first month of the spring in Rusumo, is also a moderately hot month, with an average temperature fluctuating between 16.6°C (61.9°F) and 26°C (78.8°F).Temperature
Rusumo experiences an average high-temperature of a still moderately hot 26°C (78.8°F) in September, marking an insignificant shift from 26.8°C (80.2°F) in August. Rusumo records a mean low-temperature of 16.6°C (61.9°F) in September.Humidity
In Rusumo, Rwanda, the average relative humidity in September is 64%.Rainfall
In Rusumo, during September, the rain falls for 24.7 days and regularly aggregates up to 97mm (3.82") of precipitation. Throughout the year, there are 279 rainfall days, and 1291mm (50.83") of precipitation is accumulated.Daylight
In Rusumo, Rwanda, the average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 05:54 and sunset at 17:58. On the last day of September, sunrise is at 05:42 and sunset at 17:50 CAT.
Sunshine
In Rusumo, the average sunshine in September is 9.8h.UV index
January, July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rusumo, 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
Rusumo, 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
Rusumo, 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
Rusumo, 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
Rusumo, 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
Rusumo, 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
Rusumo, 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: 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
Rusumo, 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
Rusumo, 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
Rusumo, 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
Rusumo, 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).
