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
Irundu's entry into September measures an average high-temperature of a still moderately hot 28°C (82.4°F), closely parallel to the preceding month. In Irundu, the average low-temperature during the month of September is a comfortable 16.6°C (61.9°F).Heat index
During September, the heat index is evaluated at a tropical 32°C (89.6°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in September is 82%.Rainfall
In Irundu, Uganda, during September, the rain falls for 24.9 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, there are 248.5 rainfall days, and 801mm (31.54") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:42 and sunset at 18:50. On the last day of September, sunrise is at 06:33 and sunset at 18:39 EAT.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Irundu have in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Irundu?
When is the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Irundu, 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
Irundu, 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
Irundu, 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
Irundu, 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
Irundu, 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
Irundu, 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
Irundu, 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 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
Irundu, 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
Irundu, 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
Irundu, 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
Irundu, 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).
