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
Stepping into September, Nkwirwa records an average high-temperature of a still warm 27.5°C (81.5°F), almost consistent with August. In the month of September, Nkwirwa witnesses a consistent average low-temperature of 17.5°C (63.5°F).Heat index
September's heat index is appraised at a tropical 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In September, the average relative humidity is 82%.Rainfall
In Nkwirwa, in September, during 29.5 rainfall days, 160mm (6.3") of precipitation is typically accumulated. Throughout the year, in Nkwirwa, Uganda, there are 283.3 rainfall days, and 1407mm (55.39") of precipitation is accumulated.Daylight
In Nkwirwa, the average length of the day in September is 12h and 7min.On the first day of September, sunrise is at 06:50 and sunset at 18:58. On the last day of the month, sunrise is at 06:41 and sunset at 18:47 EAT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The months with the lowest UV index are July, September and October, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Nkwirwa?
What is the average humidity in September in Nkwirwa?
How many days does it rain in September in Nkwirwa?
How many hours of daylight does Nkwirwa have in September?
When is the sunrise / sunset in September in Nkwirwa?
How many hours of sunshine does Nkwirwa have in September?
What are the months with the lowest UV index in Nkwirwa?
How high is the UV index in September in Nkwirwa?
Average temperature in September
Nkwirwa, Uganda
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is February (33°C).
The months with the lowest average high temperature are May, June and August (26.8°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is February (20.2°C).
The coldest month (with the lowest average low temperature) is July (16.5°C).
Average pressure in September
Nkwirwa, Uganda
- Average pressure in September: 1012.4mbar
The months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is February (1009.4mbar).
Average wind speed in September
Nkwirwa, Uganda
- Average wind speed in September: 3.9km/h
The windiest month (with the highest average wind speed) is February (5.5km/h).
The calmest month (with the lowest average wind speed) is October (3.8km/h).
Average humidity in September
Nkwirwa, Uganda
- Average humidity in September: 82%
The month with the highest relative humidity is May (85%).
The months with the lowest relative humidity are January and February (49%).
Average rainfall in September
Nkwirwa, Uganda
- Average rainfall in September: 160mm
The wettest month (with the highest rainfall) is October (240mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Nkwirwa, Uganda
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is October (30.4 days).
The month with the least rainy days is January (6.9 days).
Average daylight in September /
Average sunshine in September
Nkwirwa, Uganda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The months with the least sunshine are May and October (Average sunshine: 8h and 18min).
Average sunshine days in September
Nkwirwa, Uganda
- Average sunshine days in September: 0.2 days
The month with the most sunshine days is January (22.4 days).
The months with the least sunshine days are September and October (0.2 days).
Average UV index in September
Nkwirwa, Uganda
- Average UV index in September: 5
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are July, September and October (UV index 5).
Average cloud cover in September
Nkwirwa, Uganda
- Average cloud cover in September: 32
The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility in September
Nkwirwa, 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 April, May, August, September, October and November (8km).
