Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Gatsibo experiences a subtle adjustment in high-temperatures to a still moderately hot 26°C (78.8°F) with the onset of September, maintaining near parity with August's 26.8°C (80.2°F). Throughout September nights, Gatsibo registers an average low-temperature of 16.6°C (61.9°F).Humidity
The average relative humidity in September is 64%.Rainfall
In September, the rain falls for 24.7 days. Throughout September, 97mm (3.82") of precipitation is accumulated. Throughout the year, in Gatsibo, there are 279 rainfall days, and 1291mm (50.83") of precipitation is accumulated.Daylight
In Gatsibo, 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 17:52 CAT.
Sunshine
In September, the average sunshine is 9.8h.UV index
January, July through September, with an average maximum UV index of 6, are months with the highest UV index in Gatsibo. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Gatsibo have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What are the months with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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
Gatsibo, Rwanda
- Average daylight in September: 12h and 1min
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 5min
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
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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
Gatsibo, 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).
