September weather forecastHayashi, Japan
September
Weather in September
September, the first month of the autumn in Hayashi, is also a moderately hot month, with an average temperature ranging between min 19.3°C (66.7°F) and max 25.3°C (77.5°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's warm 29.6°C (85.3°F) to a still moderately hot 25.3°C (77.5°F). Hayashi's nighttime temperature in September drops to an average of 19.3°C (66.7°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Hayashi, the rain falls for 18.2 days. Throughout September, 125mm (4.92") of precipitation is accumulated. In Hayashi, during the entire year, the rain falls for 192.3 days and collects up to 1129mm (44.45") of precipitation.Snowfall
In Hayashi, snow does not fall in April through October.Daylight
In Hayashi, the average length of the day in September is 12h and 25min.On the first day of September in Hayashi, Japan, sunrise is at 05:14 and sunset at 18:08. On the last day of the month, sunrise is at 05:35 and sunset at 17:27 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Hayashi is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hayashi, Japan
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Hayashi, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Hayashi, Japan
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is April (12.7km/h).
The calmest month (with the lowest average wind speed) is November (9.9km/h).
Average humidity in September
Hayashi, Japan
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (80%).
The month with the lowest relative humidity is January (64%).
Average rainfall in September
Hayashi, Japan
- Average rainfall in September: 125mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is January (49mm).
Average rainfall days in September
Hayashi, Japan
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is June (21.2 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Hayashi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hayashi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hayashi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Hayashi, Japan
- Average sunshine days in September: 8.8 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in September
Hayashi, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Hayashi, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Hayashi, Japan
- Average visibility in September: 9km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are February, March, April, May, June, July, August, September, October and November (9km).
