September weather forecastHakatacho, Japan
September
Weather in September
September, the first month of the autumn in Hakatacho, is still a warm month, with an average temperature fluctuating between 20.4°C (68.7°F) and 27.5°C (81.5°F).Temperature
In Hakatacho, the average high-temperature in September gently drops from a tropical 31.7°C (89.1°F) in August to a moderately hot 27.5°C (81.5°F). Throughout September nights, Hakatacho experiences a consistent temperature average of 20.4°C (68.7°F).Heat index
The heat index value during September is calculated to be a tropical 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in September is 74%.Rainfall
In Hakatacho, in September, it is raining for 12.8 days, with typically 84mm (3.31") of accumulated precipitation. In Hakatacho, Japan, during the entire year, the rain falls for 140 days and collects up to 837mm (32.95") of precipitation.Snowfall
March through November are months without snowfall in Hakatacho.Daylight
In September, the average length of the day in Hakatacho is 12h and 24min.On the first day of September, sunrise is at 05:31 and sunset at 18:24. On the last day of the month, sunrise is at 05:52 and sunset at 17:44 JST.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hakatacho, Japan
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Hakatacho, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Hakatacho, Japan
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest month (with the lowest average wind speed) is June (8.3km/h).
Average humidity in September
Hakatacho, Japan
- Average humidity in September: 74%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are March, April and May (69%).
Average rainfall in September
Hakatacho, Japan
- Average rainfall in September: 84mm
The wettest month (with the highest rainfall) is July (137mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Hakatacho, Japan
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (8 days).
Average snowfall in September
Hakatacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hakatacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Hakatacho, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Hakatacho, Japan
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in September
Hakatacho, Japan
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Hakatacho, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Hakatacho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
