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
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a tropical 30.8°C (87.4°F) to a moderately hot 26.3°C (79.3°F). Throughout September, an average low-temperature of 18.8°C (65.8°F) is experienced.Humidity
The average relative humidity in September is 80%.Rainfall
In Hirone, during September, the rain falls for 14.6 days and regularly aggregates up to 79mm (3.11") of precipitation. Throughout the year, there are 159.6 rainfall days, and 737mm (29.02") of precipitation is accumulated.Snowfall
In Hirone, snow does not fall in April through November.Daylight
In Hirone, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:31 and sunset at 18:25. On the last day of September, sunrise is at 05:52 and sunset at 17:44 JST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Hirone?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Hirone, Japan
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Hirone, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1019.9mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Hirone, Japan
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity in September
Hirone, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Hirone, Japan
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is July (142mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Hirone, Japan
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Hirone, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hirone, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.1 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
Hirone, Japan
- Average daylight in September: 12h and 2min
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 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Hirone, Japan
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Hirone, 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 and December (UV index 2).
Average cloud cover in September
Hirone, Japan
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Hirone, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
