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 September, Sisa's weather conditions record an average high-temperature of a still moderately hot 23.5°C (74.3°F), aligned with the preceding month. Sisa, in September, registers a nighttime average temperature of 18.5°C (65.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Sisa, in September, it is raining for 25.7 days, with typically 112mm (4.41") of accumulated precipitation. Throughout the year, in Sisa, there are 260.6 rainfall days, and 1441mm (56.73") 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 06:46 and sunset at 18:53. On the last day of September, in Sisa, sunrise is at 06:36 and sunset at 18:43 EAT.
Sunshine
In Sisa, the average sunshine in September is 9.1h.UV index
April through September and November, with an average maximum UV index of 5, are months with the lowest UV index in Sisa. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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 many hours of sunshine does Sisa have in September?
What are the months with the lowest UV index in Sisa?
What is the UV index intensity in September?
Average temperature in September
Sisa, Uganda
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is February (24.9°C).
The month with the lowest average high temperature is May (22.8°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is February (19.6°C).
The coldest month (with the lowest average low temperature) is July (18°C).
Average pressure in September
Sisa, Uganda
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is February (1009.8mbar).
Average wind speed in September
Sisa, Uganda
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is May (10.5km/h).
The calmest month (with the lowest average wind speed) is December (7.7km/h).
Average humidity in September
Sisa, Uganda
- Average humidity in September: 78%
The months with the highest relative humidity are May and November (82%).
The months with the lowest relative humidity are January, February and July (74%).
Average rainfall in September
Sisa, Uganda
- Average rainfall in September: 112mm
The wettest month (with the highest rainfall) is November (210mm).
The driest month (with the least rainfall) is July (39mm).
Average rainfall days in September
Sisa, Uganda
- Average rainfall days in September: 25.7 days
The month with the highest number of rainy days is November (28.5 days).
The month with the least rainy days is July (15.2 days).
Average daylight in September /
Average sunshine in September
Sisa, Uganda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The months with the shortest days are February and October (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is January (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 12min).
Average sunshine days in September
Sisa, Uganda
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is July (12.8 days).
The month with the least sunshine days is November (0.9 days).
Average UV index in September
Sisa, Uganda
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September and November (UV index 5).
Average cloud cover in September
Sisa, Uganda
- Average cloud cover in September: 26
The month with the most cloud cover is May (Cloud cover 38).
The months with the least cloud cover are January and February (Cloud cover 20).
Average visibility in September
Sisa, Uganda
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).
