September weather forecastMakapala, HI
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Makapala, Hawaii, with an average temperature fluctuating between 66.4°F (19.1°C) and 59°F (15°C).Temperature
Makapala records an average high-temperature of a still comfortable 66.4°F (19.1°C) in September, maintaining a close correlation with August's 67.5°F (19.7°C). Throughout September, Makapala records a steady low-temperature average of 59°F (15°C), a minor decrease from its daytime counterpart.Humidity
The months with the highest humidity are September and October, with an average relative humidity of 84%.Rainfall
In Makapala, in September, it is raining for 27.3 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 15min.On the first day of the month, sunrise is at 6:07 am and sunset at 6:37 pm. On the last day of September, sunrise is at 6:13 am and sunset at 6:11 pm HST.
Sunshine
In Makapala, the average sunshine in September is 7.7h.UV index
The months with the highest UV index are May through October, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Makapala, HI
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in September
Makapala, HI
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in September
Makapala, HI
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity in September
Makapala, HI
- Average humidity in September: 84%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall in September
Makapala, HI
- Average rainfall in September: 3.31"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days in September
Makapala, HI
- Average rainfall days in September: 27.3 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight in September /
Average sunshine in September
Makapala, HI
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Makapala, HI
- Average sunshine days in September: 0.8 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index in September
Makapala, HI
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Makapala, HI
- Average cloud cover in September: 43
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in September
Makapala, 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).
