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 sea temperature 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
Weather in September
Temperature
September in Honiara, Solomon Islands, registers an average high-temperature of a still moderately hot 28.5°C (83.3°F), slightly varied from August's 28.4°C (83.1°F). Nightly temperatures in Honiara drop to an average low of 23.4°C (74.1°F) in September.Heat index
For most parts of September, the heat index is evaluated at a hot 34°C (93.2°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Know that the heat index computations account for shaded terrains and slight winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The months with the lowest humidity in Honiara, Solomon Islands, are August through November, with an average relative humidity of 83%.Rainfall
In Honiara, in September, during 26 rainfall days, 162mm (6.38") of precipitation is typically accumulated. In Honiara, Solomon Islands, during the entire year, the rain falls for 327.8 days and collects up to 2474mm (97.4") of precipitation.Sea temperature
In Honiara, in September, the average water temperature is 28.8°C (83.8°F).Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.
Daylight
The average length of the day in September is 12h and 3min.On the first day of September in Honiara, sunrise is at 06:22 and sunset at 18:18. On the last day of the month, sunrise is at 06:04 and sunset at 18:15 +11.
Sunshine
The average sunshine in September in Honiara is 8h.UV index
April, May, July and September, with an average maximum UV index of 7, are months with the highest UV index in Honiara. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.
Frequently asked questions
How hot is September in Honiara?
What is the least humid month in Honiara?
What is the average humidity in September in Honiara?
How much does it rain in Honiara in September?
How warm is the water in September in Honiara?
How many hours of daylight does Honiara have in September?
When is the sunrise / sunset in September in Honiara?
How many hours of sunshine does Honiara have in September?
When is the highest UV index in Honiara?
What is the UV index intensity in September in Honiara?
Average temperature in September
Honiara, Solomon Islands
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in September: 23.4°C
The month with the highest average low temperature is January (24.2°C).
The coldest months (with the lowest average low temperature) are August and September (23.4°C).
Average pressure in September
Honiara, Solomon Islands
- Average pressure in September: 1010.4mbar
The month with the highest atmospheric pressure is August (1010.5mbar).
The month with the lowest atmospheric pressure is January (1006.9mbar).
Average wind speed in September
Honiara, Solomon Islands
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is July (11.3km/h).
The calmest month (with the lowest average wind speed) is December (6km/h).
Average humidity in September
Honiara, Solomon Islands
- Average humidity in September: 83%
The months with the highest relative humidity are January, March and April (85%).
The months with the lowest relative humidity are August, September, October and November (83%).
Average rainfall in September
Honiara, Solomon Islands
- Average rainfall in September: 162mm
The wettest months (with the highest rainfall) are March and December (299mm).
The driest month (with the least rainfall) is June (125mm).
Average rainfall days in September
Honiara, Solomon Islands
- Average rainfall days in September: 26 days
The months with the highest number of rainy days are January, March and December (29.3 days).
The month with the least rainy days is August (24.3 days).
Average sea temperature in September
Honiara, Solomon Islands
- Average sea temperature in September: 28.8°C
The best month for swimming (with the highest average sea temperature) is April (30.3°C).
The coldest month (with the lowest average sea temperature) is August (28.6°C).
Average daylight in September /
Average sunshine in September
Honiara, Solomon Islands
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Honiara, Solomon Islands
- Average sunshine days in September: 2.4 days
The month with the most sunshine days is August (4 days).
The month with the least sunshine days is January (0.3 days).
Average UV index in September
Honiara, Solomon Islands
- Average UV index in September: 7
The months with the highest UV index are April, May, July and September (UV index 7).
The months with the lowest UV index are January, February, March, June, August, October, November and December (UV index 6).
Average cloud cover in September
Honiara, Solomon Islands
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 41).
Average visibility in September
Honiara, Solomon Islands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Honiara, Solomon Islands
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