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
Weather in September
Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a tropical 30.9°C (87.6°F) to a moderately hot 26.2°C (79.2°F). Throughout September, Nakahatacho anticipates an average low-temperature of 18°C (64.4°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Nakahatacho, during September, the rain falls for 14 days and regularly aggregates up to 117mm (4.61") of precipitation. In Nakahatacho, during the entire year, the rain falls for 163.2 days and collects up to 968mm (38.11") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:32 and sunset at 18:26. On the last day of September, sunrise is at 05:53 and sunset at 17:45 JST.
Sunshine
In Nakahatacho, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Nakahatacho have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Nakahatacho have in September?
What is the UV index intensity in September?
Average temperature in September
Nakahatacho, Japan
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 18°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in September
Nakahatacho, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1020.1mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in September
Nakahatacho, Japan
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in September
Nakahatacho, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Nakahatacho, Japan
- Average rainfall in September: 117mm
The wettest month (with the highest rainfall) is July (181mm).
The driest months (with the least rainfall) are January and November (34mm).
Average rainfall days in September
Nakahatacho, Japan
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Nakahatacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nakahatacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
Nakahatacho, 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Nakahatacho, Japan
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Nakahatacho, 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
Nakahatacho, Japan
- Average cloud cover in September: 46
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is November (Cloud cover 41).
Average visibility in September
Nakahatacho, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (9km).
The month with the lowest visibility is July (7km).
Nakahatacho, Japan
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