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
Nkumba welcomes September with a high-temperature average of a still moderately hot 23.5°C (74.3°F), corresponding to the preceding month. Nkumba's September nights experience a subtle temperature dip to an average of 18.5°C (65.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Nkumba, during September, the rain falls for 25.7 days and regularly aggregates up to 112mm (4.41") of precipitation. Throughout the year, there are 260.6 rainfall days, and 1441mm (56.73") of precipitation is accumulated.Daylight
The average length of the day in September in Nkumba 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, sunrise is at 06:36 and sunset at 18:43 EAT.
Sunshine
In Nkumba, 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. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in Nkumba in September?
How many hours of daylight does Nkumba have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Nkumba have in September?
When is the lowest UV index?
How high is the UV index in September in Nkumba?
Average temperature in September
Nkumba, 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
Nkumba, 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
Nkumba, 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
Nkumba, 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
Nkumba, 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
Nkumba, 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
Nkumba, Uganda
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 6min).
The month with the shortest days is 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
Nkumba, 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
Nkumba, 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
Nkumba, 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
Nkumba, 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).
