Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 25.6°C in August to an agreeable 22°C. Hiranai experiences an average low-temperature of 15.7°C in month of September.Humidity
In Hiranai, the average relative humidity in September is 80%.Rainfall
In Hiranai, in September, it is raining for 12 days, with typically 28mm of accumulated precipitation. In Hiranai, during the entire year, the rain falls for 121.9 days and collects up to 404mm of precipitation.Snowfall
May through October are months without snowfall in Hiranai.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 05:03 and sunset at 18:09. On the last day of September, in Hiranai, sunrise is at 05:31 and sunset at 17:20 JST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. 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
What is the usual temperature for Hiranai in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Hiranai have in September?
What time are sunrise and sunset in September in Hiranai?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Hiranai, Japan
- Average high temperature in September: 22°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average pressure in September
Hiranai, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in September
Hiranai, Japan
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in September
Hiranai, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Hiranai, Japan
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (58mm).
The driest months (with the least rainfall) are March, April and November (25mm).
Average rainfall days in September
Hiranai, Japan
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Hiranai, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hiranai, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hiranai, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Hiranai, Japan
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is May (18.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Hiranai, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Hiranai, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Hiranai, Japan
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is July (8km).
