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
Weather in September
Temperature
Nairolwa's September average high-temperature settles at a still moderately hot 28°C (82.4°F), showing a near match with the preceding month. During the month of September, Nairolwa experiences a steady low-temperature average of 16.6°C (61.9°F).Heat index
For most parts of September, the heat index is estimated at a hot 32°C (89.6°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
The average relative humidity in September in Nairolwa, Uganda, is 82%.Rainfall
In Nairolwa, Uganda, in September, during 24.9 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Nairolwa, during the entire year, the rain falls for 248.5 days and collects up to 801mm (31.54") of precipitation.Daylight
In Nairolwa, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:44 and sunset at 18:52. On the last day of September, in Nairolwa, Uganda, sunrise is at 06:35 and sunset at 18:41 EAT.
Sunshine
The average sunshine in September in Nairolwa is 9h.UV index
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index in Nairolwa. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 6 transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
How hot is it in Nairolwa in September?
What is the average humidity in September in Nairolwa?
How much does it rain in Nairolwa in September?
What is the average length of the day in September in Nairolwa?
What time are sunrise and sunset in September in Nairolwa?
How many hours of sunshine does Nairolwa have in September?
What are the months with the highest UV index in Nairolwa?
What is the UV index reading in September in Nairolwa?
Average temperature in September
Nairolwa, Uganda
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is February (33.6°C).
The month with the lowest average high temperature is May (27.2°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is February (18.2°C).
The coldest months (with the lowest average low temperature) are June and July (15.6°C).
Average pressure in September
Nairolwa, Uganda
- Average pressure in September: 1012.4mbar
The months with the highest atmospheric pressure are June and July (1013.8mbar).
The month with the lowest atmospheric pressure is February (1009.5mbar).
Average wind speed in September
Nairolwa, Uganda
- Average wind speed in September: 4.1km/h
The windiest months (with the highest average wind speed) are February and March (5.5km/h).
The calmest month (with the lowest average wind speed) is November (4km/h).
Average humidity in September
Nairolwa, Uganda
- Average humidity in September: 82%
The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is February (60%).
Average rainfall in September
Nairolwa, Uganda
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is October (110mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Nairolwa, Uganda
- Average rainfall days in September: 24.9 days
The month with the highest number of rainy days is October (27.6 days).
The month with the least rainy days is January (9.9 days).
Average daylight in September /
Average sunshine in September
Nairolwa, 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 0min).
- Average sunshine in September: 9h and 0min
The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 8h and 0min).
Average sunshine days in September
Nairolwa, Uganda
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is January (17.2 days).
The month with the least sunshine days is October (2 days).
Average UV index in September
Nairolwa, Uganda
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover in September
Nairolwa, Uganda
- Average cloud cover in September: 37
The month with the most cloud cover is May (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in September
Nairolwa, Uganda
- Average visibility in September: 8km
The month with the highest visibility is February (10km).
The months with the lowest visibility are May, October and November (7km).
Nairolwa, Uganda
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