Honolulu Weather in September: Temperature, Precipitation, Wind
In September, Honolulu has warm and mostly sunny weather, with an average temperature of 27.5°C (81.5°F). Daily highs reach an average of 31.2°C (88.2°F), while overnight lows drop to an average of 24.7°C (76.4°F).
What is the temperature in Honolulu in September?
Average air temperature in Honolulu is 27.5°C (81.5°F) in September. The outside temperature in Honolulu feels like 28.7°C (83.7°F) on a typical September day. The highest average temperature during sunny days is 31.2°C (88.2°F) and feels like 33.8°C (92.8°F). The lowest average temperature after dark is 24.7°C (76.4°F) which feels like 24.7°C (76.4°F).
How hot is Honolulu in September?
The hot temperature in September in Honolulu rises to 32°C (89.6°F) on sunny days with low cloud coverage and 67.9% humidity. During hottest days of September it feels like 35.8 °C (96.4°F). The average maximum temp in Honolulu is 31.2°C (96.4°F) during day time in September.
How cold is Honolulu in September?
The coldest temp in Honolulu in September drops to 23°C (73.4°F) during the cold nights. With 29.1km/h (18.1mph) winds and 67.9% humidity it feels like 23°C (73.4°F) on the coldest nights. The average minimum temperature is 24.7°C (76.4°F) during night time in September.
Does it rain in Honolulu in September?
Yes, it rains for 28 days in Honolulu, United States in September averaging 0.24 mm of precipitation. Honolulu has a 53.3% chance for rain throughout the entire month of September.
How much does it rain in Honolulu throughout September?
Honolulu has 0.24 mm (0.01 inch) of rain per day on average in September. It rains for an average of 28 days out of the entire month.
Is Honolulu windy in September?
The average speed of wind in Honolulu, United States during September is 29.1km/h (18.1mph) and average windgust is 46.9km/h (29.1mph). On some days in September wind can reach up to 34.2km/h (21.3mph).
What is the direction of the wind in Honolulu in September?
Most days of September the wind is blowing from East-Northeast direction in Honolulu.
What are the humidity levels in Honolulu in September?
The average humidity levels in Honolulu in September are 67.9%. Daily humidity levels in Honolulu range from 62% to 74.3% during September.
How many hours of daylight are in Honolulu in September?
Honolulu has 12 hours 15 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Honolulu in September is at 6:18:35 and the sunset is at 18:34:00.
What is the cloud coverage in Honolulu in September?
Clouds cover 48.8% of the sky on average throughout September in Honolulu. The cloud coverage ranges from 27.8% to 75.9% depending on the day of the month.
What is the UV level in September in Honolulu?
The average UV index in Honolulu is 8.5 in September. UV levels change throughout the month and range from 4 to 10.
What is the solar radiation in Honolulu in September?
The average solar radiation is 228.2 W/m2 (Watts per square meter) in Honolulu during September. However solar radiation levels change throughout the month and range from 109.1 W/m2 to 304.8 W/m2.
What is the solar energy during September in Honolulu?
The average solar energy during September in Honolulu is 19.7 MJ/m2 (megajoules per square metre). Solar energy ranges from 9.5 MJ/m2, to 26.3 MJ/m2 during September.
Are there severe weather risks in Honolulu in September?
Yes, there is a 12.3% risk for severe weather in Honolulu, United States in September.
What is the air pressure in Honolulu in September?
On average the air pressure in Honolulu in September is 1016.1 mb (millibars). Throughout the month the sea level pressure ranges from 1014.8 mb to 1017.6 mb.
What is the visibility in Honolulu in September?
The average daylight visibility in Honolulu in September is 15.9 km (9.9 miles). Depending on the precipitation the visibility ranges from 15.7 km (9.8 miles) to 16 km (9.9 miles) throughout September.
What is the dew point in Honolulu in September?
The average dew point in Honolulu during September is 20.9°C (69.5°F).
Where is the data for Honolulu climate in September coming from?
The climate data for Honolulu, Hawaii, United States in September is collected from the following weather stations.
- KANEOHE BAY MCAS, HI US
- EWA KALAELOA AIRPORT, HI US
- HONOLULU INTERNATIONAL AIRPORT, HI US
- OAHU FOREST NWR HI US
- KALAELOA AIRPORT, HI
- PHNG
- HONOLULU INTL,HI
- SCHOFIELD EAST HI US