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
The advent of September brings an average high-temperature of a still moderately hot 28.1°C (82.6°F), exhibiting minor difference from the previous month. Ayer witnesses an average low-temperature of 17°C (62.6°F) throughout the month of September.Heat index
The heat index value for September is appraised at a tropical 33°C (91.4°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in September in Ayer is 81%.Rainfall
In Ayer, in September, during 24.6 rainfall days, 96mm (3.78") of precipitation is typically accumulated. Throughout the year, there are 219.8 rainfall days, and 938mm (36.93") of precipitation is accumulated.Daylight
In Ayer, the average length of the day in September is 12h and 8min.On the first day of the month, sunrise is at 06:44 and sunset at 18:53. On the last day of September, in Ayer, sunrise is at 06:36 and sunset at 18:42 EAT.
Sunshine
In Ayer, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September in Ayer, Uganda, is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
How hot is September in Ayer?
What is the average humidity in September in Ayer?
How many days does it rain in September in Ayer?
How many hours of daylight does Ayer have in September?
When is the sunrise / sunset in September in Ayer?
How many hours of sunshine does Ayer have in September?
What is the UV index reading in September in Ayer?
Average temperature in September
Ayer, Uganda
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is February (34°C).
The month with the lowest average high temperature is July (27.1°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is February (20.7°C).
The coldest months (with the lowest average low temperature) are June and July (16.6°C).
Average pressure in September
Ayer, Uganda
- Average pressure in September: 1012.3mbar
The months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).
Average wind speed in September
Ayer, Uganda
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest months (with the lowest average wind speed) are July, August and September (4.4km/h).
Average humidity in September
Ayer, Uganda
- Average humidity in September: 81%
The month with the highest relative humidity is May (85%).
The month with the lowest relative humidity is January (41%).
Average rainfall in September
Ayer, Uganda
- Average rainfall in September: 96mm
The wettest month (with the highest rainfall) is October (144mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Ayer, Uganda
- Average rainfall days in September: 24.6 days
The month with the highest number of rainy days is October (26.6 days).
The month with the least rainy days is January (5 days).
Average daylight in September /
Average sunshine in September
Ayer, 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 48min).
The month with the least sunshine is May (Average sunshine: 8h and 24min).
Average sunshine days in September
Ayer, Uganda
- Average sunshine days in September: 3.9 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is October (3.5 days).
Average UV index in September
Ayer, Uganda
- Average UV index in September: 6
The months with the highest UV index are January and February (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in September
Ayer, Uganda
- Average cloud cover in September: 38
The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Ayer, Uganda
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (10km).
The month with the lowest visibility is May (7km).
Ayer, Uganda
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