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
The onset of September marks an average high-temperature of a still moderately hot 28.6°C (83.5°F), hardly differing from August's 28.3°C (82.9°F). Ranongga's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 26.4°C (79.5°F).Heat index
September's average heat index is calculated to be a hot 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Bear in mind that the heat index values are determined for shaded areas and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In Ranongga, the average relative humidity in September is 80%.Rainfall
In Ranongga, in September, during 27.1 rainfall days, 248mm (9.76") of precipitation is typically accumulated. Throughout the year, there are 333.6 rainfall days, and 2627mm (103.43") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 06:34 and sunset at 18:32. On the last day of September, sunrise is at 06:18 and sunset at 18:28 +11.
Sunshine
In September, the average sunshine is 7.8h.UV index
May, June and September, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the month with the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Ranongga, Solomon Islands
- Average high temperature in September: 28.6°C
The warmest month (with the highest average high temperature) is December (29.9°C).
The month with the lowest average high temperature is August (28.3°C).
- Average low temperature in September: 26.4°C
The months with the highest average low temperature are January and December (27.3°C).
The coldest month (with the lowest average low temperature) is August (26°C).
Average pressure in September
Ranongga, Solomon Islands
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is August (1010.2mbar).
The month with the lowest atmospheric pressure is January (1007mbar).
Average wind speed in September
Ranongga, Solomon Islands
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is July (17.1km/h).
The calmest month (with the lowest average wind speed) is December (9.8km/h).
Average humidity in September
Ranongga, Solomon Islands
- Average humidity in September: 80%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are January and December (76%).
Average rainfall in September
Ranongga, Solomon Islands
- Average rainfall in September: 248mm
The wettest month (with the highest rainfall) is August (257mm).
The driest month (with the least rainfall) is May (184mm).
Average rainfall days in September
Ranongga, Solomon Islands
- Average rainfall days in September: 27.1 days
The month with the highest number of rainy days is July (29.1 days).
The month with the least rainy days is February (26.4 days).
Average daylight in September /
Average sunshine in September
Ranongga, 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 42min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are May, November and December (Average sunshine: 8h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 48min).
Average sunshine days in September
Ranongga, Solomon Islands
- Average sunshine days in September: 1.9 days
The month with the most sunshine days is December (3.1 days).
The month with the least sunshine days is April (0.9 days).
Average UV index in September
Ranongga, Solomon Islands
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May, June and September (UV index 6).
Average cloud cover in September
Ranongga, Solomon Islands
- Average cloud cover in September: 46
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is December (Cloud cover 40).
Average visibility in September
Ranongga, Solomon Islands
- Average visibility in September: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
