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
Weather in September
Temperature
September's onset brings an average high-temperature of a still moderately hot 82.4°F (28°C), showing a minute difference from August's 82.6°F (28.1°C). September in Whitmore Village sees a slight dip to an average low temperature of 74.3°F (23.5°C) from the daytime highs.Heat index
The heat index value for September is estimated at a tropical 87.8°F (31°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
September is the least humid month in Whitmore Village, Hawaii, with an average relative humidity of 73%.Rainfall
In Whitmore Village, Hawaii, during September, the rain falls for 23.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Whitmore Village, Hawaii, during the entire year, the rain falls for 252.2 days and collects up to 22.09" (561mm) of precipitation.Daylight
The average length of the day in September in Whitmore Village is 12h and 16min.On the first day of the month, sunrise is at 6:15 am and sunset at 6:47 pm. On the last day of September, sunrise is at 6:23 am and sunset at 6:20 pm HST.
Sunshine
The average sunshine in September is 7.5h.UV index
The months with the highest UV index in Whitmore Village, Hawaii, are March through November, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
How hot does it get in Whitmore Village in September?
What is the least humid month in Whitmore Village?
What is the average humidity in September in Whitmore Village?
How much does it rain in Whitmore Village in September?
How many hours of daylight does Whitmore Village have in September?
When is the sunrise / sunset in September in Whitmore Village?
How many hours of sunshine does Whitmore Village have in September?
What are the months with the highest UV index in Whitmore Village?
How high is the UV index in September in Whitmore Village?
Average temperature in September
Whitmore Village, HI
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is February (75.6°F).
- Average low temperature in September: 74.3°F
The month with the highest average low temperature is September (74.3°F).
The coldest month (with the lowest average low temperature) is February (66.7°F).
Average pressure in September
Whitmore Village, HI
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in September
Whitmore Village, HI
- Average wind speed in September: 8.5mph
The windiest months (with the highest average wind speed) are June and July (10.2mph).
The calmest month (with the lowest average wind speed) is October (7.6mph).
Average humidity in September
Whitmore Village, HI
- Average humidity in September: 73%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is September (73%).
Average rainfall in September
Whitmore Village, HI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is July (1.26").
Average rainfall days in September
Whitmore Village, HI
- Average rainfall days in September: 23.1 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is January (16 days).
Average daylight in September /
Average sunshine in September
Whitmore Village, HI
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).
Average sunshine days in September
Whitmore Village, HI
- Average sunshine days in September: 3.5 days
The month with the most sunshine days is January (10.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Whitmore Village, HI
- Average UV index in September: 6
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in September
Whitmore Village, HI
- Average cloud cover in September: 47
The month with the most cloud cover is June (Cloud cover 52).
The month with the least cloud cover is January (Cloud cover 43).
Average visibility in September
Whitmore Village, HI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Whitmore Village, Hawaii, USA
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