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
In the transition from August to September, Nyio reports an average high-temperature of a still warm 27.5°C (81.5°F), indicating a close resemblance to the prior month. In Nyio, the average temperature during the nights of September drops to a refreshing 17.5°C (63.5°F).Heat index
The average heat index in September is appraised at a tropical 31°C (87.8°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in September is 81%.Rainfall
In Nyio, in September, during 28.9 rainfall days, 167mm (6.57") of precipitation is typically accumulated. Throughout the year, there are 235.5 rainfall days, and 1389mm (54.69") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 8min.On the first day of September, sunrise is at 06:51 and sunset at 19:01. On the last day of the month, sunrise is at 06:43 and sunset at 18:49 EAT.
Sunshine
In Nyio, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Nyio is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Nyio, Uganda
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is February (33.4°C).
The month with the lowest average high temperature is July (26.7°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is February (20.8°C).
The coldest months (with the lowest average low temperature) are July and August (17.1°C).
Average pressure in September
Nyio, Uganda
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is February (1008.7mbar).
Average wind speed in September
Nyio, Uganda
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).
Average humidity in September
Nyio, Uganda
- Average humidity in September: 81%
The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (38%).
Average rainfall in September
Nyio, Uganda
- Average rainfall in September: 167mm
The wettest month (with the highest rainfall) is October (226mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in September
Nyio, Uganda
- Average rainfall days in September: 28.9 days
The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is January (3.1 days).
Average daylight in September /
Average sunshine in September
Nyio, Uganda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 30min).
Average sunshine days in September
Nyio, Uganda
- Average sunshine days in September: 0.4 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is August (0.2 days).
Average UV index in September
Nyio, Uganda
- Average UV index in September: 6
The months with the highest UV index are January, February and December (UV index 7).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Nyio, Uganda
- Average cloud cover in September: 36
The month with the most cloud cover is August (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 10).
Average visibility in September
Nyio, Uganda
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August, September and October (8km).
