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
With the onset of September, Nyamasasa's average high-temperature clocks in at a still agreeable 20.9°C (69.6°F), showing a minor fluctuation from the previous month. In September, the average low-temperature is a mild 13.6°C (56.5°F).Humidity
In Nyamasasa, the average relative humidity in September is 76%.Rainfall
In September, in Nyamasasa, the rain falls for 25.5 days. Throughout September, 133mm (5.24") of precipitation is accumulated. In Nyamasasa, during the entire year, the rain falls for 289.8 days and collects up to 1383mm (54.45") of precipitation.Daylight
The average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 06:01 and sunset at 18:06. On the last day of September, sunrise is at 05:50 and sunset at 17:57 CAT.
Sunshine
September has the most sunshine of the year, with an average of 10h of sunshine.UV index
The months with the highest UV index are January through May, July through October and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Heed the precautions - Suggestions to avoid sunburn are made. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Nyamasasa have in September?
When are sunrise and sunset in September?
What month has the most sunshine?
How many hours of sunshine does Nyamasasa have in September?
When is the highest UV index?
What is the UV index reading in September in Nyamasasa?
Average temperature in September
Nyamasasa, Democratic Republic of Congo
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is February (21.8°C).
The month with the lowest average high temperature is May (19.6°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is October (13.9°C).
The coldest months (with the lowest average low temperature) are January and June (12.8°C).
Average pressure in September
Nyamasasa, Democratic Republic of Congo
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).
Average wind speed in September
Nyamasasa, Democratic Republic of Congo
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is May (6km/h).
The calmest month (with the lowest average wind speed) is December (3.8km/h).
Average humidity in September
Nyamasasa, Democratic Republic of Congo
- Average humidity in September: 76%
The months with the highest relative humidity are April and May (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Nyamasasa, Democratic Republic of Congo
- Average rainfall in September: 133mm
The wettest month (with the highest rainfall) is October (174mm).
The driest month (with the least rainfall) is July (41mm).
Average rainfall days in September
Nyamasasa, Democratic Republic of Congo
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is October (27.7 days).
The month with the least rainy days is July (18.5 days).
Average daylight in September /
Average sunshine in September
Nyamasasa, Democratic Republic of Congo
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is April (Average sunshine: 7h and 48min).
Average sunshine days in September
Nyamasasa, Democratic Republic of Congo
- Average sunshine days in September: 3.2 days
The month with the most sunshine days is July (10.5 days).
The month with the least sunshine days is November (2.1 days).
Average UV index in September
Nyamasasa, Democratic Republic of Congo
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, July, August, September, October and December (UV index 5).
The months with the lowest UV index are June and November (UV index 4).
Average cloud cover in September
Nyamasasa, Democratic Republic of Congo
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Nyamasasa, Democratic Republic of Congo
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is May (7km).
