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
Ngongosila ushers in September with an average high-temperature of a still warm 28.1°C (82.6°F), showing a close resemblance to the previous month. September's average low-temperature is a still warm 25.8°C (78.4°F), reflecting a minor difference from the day's peak temperatures.Heat index
In September, the average heat index is calculated to be a hot 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.Note that heat index values are valued for light wind and location in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 24.3 days. Throughout September, 122mm (4.8") of precipitation is accumulated. In Ngongosila, during the entire year, the rain falls for 329.1 days and collects up to 2481mm (97.68") of precipitation.Daylight
In Ngongosila, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 06:17 and sunset at 18:14. On the last day of the month, sunrise is at 06:00 and sunset at 18:11 +11.
Sunshine
In Ngongosila, the average sunshine in September is 8.4h.UV index
The months with the highest UV index are April through September and November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 7 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Ngongosila have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ngongosila have in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
Ngongosila, Solomon Islands
- Average high temperature in September: 28.1°C
The warmest months (with the highest average high temperature) are April and May (28.8°C).
The month with the lowest average high temperature is August (27.9°C).
- Average low temperature in September: 25.8°C
The month with the highest average low temperature is May (26.6°C).
The coldest months (with the lowest average low temperature) are August and September (25.8°C).
Average pressure in September
Ngongosila, Solomon Islands
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is August (1010.4mbar).
The month with the lowest atmospheric pressure is January (1006.9mbar).
Average wind speed in September
Ngongosila, Solomon Islands
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is July (16.2km/h).
The calmest month (with the lowest average wind speed) is December (8.4km/h).
Average humidity in September
Ngongosila, Solomon Islands
- Average humidity in September: 81%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January, February, March, November and December (79%).
Average rainfall in September
Ngongosila, Solomon Islands
- Average rainfall in September: 122mm
The wettest month (with the highest rainfall) is March (305mm).
The driest month (with the least rainfall) is August (118mm).
Average rainfall days in September
Ngongosila, Solomon Islands
- Average rainfall days in September: 24.3 days
The month with the highest number of rainy days is March (29.5 days).
The month with the least rainy days is August (24 days).
Average daylight in September /
Average sunshine in September
Ngongosila, Solomon Islands
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is November (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in September
Ngongosila, Solomon Islands
- Average sunshine days in September: 3 days
The month with the most sunshine days is August (3.8 days).
The months with the least sunshine days are January, March and December (0.5 days).
Average UV index in September
Ngongosila, Solomon Islands
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August, September and November (UV index 7).
The months with the lowest UV index are January, February, March, October and December (UV index 6).
Average cloud cover in September
Ngongosila, Solomon Islands
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 40).
Average visibility in September
Ngongosila, Solomon Islands
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
