September weather forecastHadano, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Hadano, Japan, with temperature in the range of an average high of 25.4°C (77.7°F) and an average low of 20.4°C (68.7°F).Temperature
September heralds a minor drop in average high-temperature, sliding from August's 29.2°C (84.6°F) to a still warm 25.4°C (77.7°F). An average nighttime temperature of 20.4°C (68.7°F) marks September.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 59mm (2.32") of precipitation is accumulated. Throughout the year, in Hadano, there are 165.4 rainfall days, and 524mm (20.63") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:15 and sunset at 18:10. On the last day of September, in Hadano, sunrise is at 05:37 and sunset at 17:28 JST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September in Hadano is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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
Hadano, Japan
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Hadano, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Hadano, Japan
- Average wind speed in September: 12.6km/h
The windiest months (with the highest average wind speed) are March and April (14.9km/h).
The calmest month (with the lowest average wind speed) is June (12km/h).
Average humidity in September
Hadano, Japan
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Hadano, Japan
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is July (81mm).
The driest months (with the least rainfall) are January and February (19mm).
Average rainfall days in September
Hadano, Japan
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in September
Hadano, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Hadano, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Hadano, 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: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Hadano, Japan
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Hadano, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Hadano, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Hadano, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
