September weather forecastHibi, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Hibi, Japan, with an average temperature fluctuating between 21.8°C (71.2°F) and 26.5°C (79.7°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a hot 30.3°C (86.5°F) in August to a warm 26.5°C (79.7°F). Hibi, in September, registers an average low temperature of 21.8°C (71.2°F), showing a minute reduction from daily highs.Humidity
In Hibi, the average relative humidity in September is 73%.Rainfall
In Hibi, in September, it is raining for 9.6 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, in Hibi, there are 100.2 rainfall days, and 317mm (12.48") of precipitation is accumulated.Snowfall
In Hibi, snow does not fall in March through December.Daylight
In September, the average length of the day in Hibi, Japan, is 12h and 24min.On the first day of September, sunrise is at 05:37 and sunset at 18:30. On the last day of the month, sunrise is at 05:58 and sunset at 17:50 JST.
Sunshine
The average sunshine in September in Hibi, Japan, 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 exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hibi, Japan
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 21.8°C
The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Hibi, Japan
- Average pressure in September: 1012.6mbar
The months with the highest atmospheric pressure are January and February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in September
Hibi, Japan
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is June (10.1km/h).
Average humidity in September
Hibi, Japan
- Average humidity in September: 73%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is March (67%).
Average rainfall in September
Hibi, Japan
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is November (10mm).
Average rainfall days in September
Hibi, Japan
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Hibi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Hibi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Hibi, 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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Hibi, Japan
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is May (23.5 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Hibi, 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
Hibi, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hibi, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





