September weather forecastNatsushimacho, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Natsushimacho, Japan, with an average temperature fluctuating between 26°C (78.8°F) and 22.3°C (72.1°F).Temperature
Natsushimacho records an average high-temperature of a still warm 26°C (78.8°F) as September arrives, nearly mirroring the previous month's climate. Natsushimacho documents a consistent average low-temperature of 22.3°C (72.1°F) at night during September.Humidity
In Natsushimacho, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 15.2 days. Throughout September, 106mm (4.17") of precipitation is accumulated. Throughout the year, there are 150.9 rainfall days, and 867mm (34.13") of precipitation is accumulated.Snowfall
In Natsushimacho, snow does not fall in April through December.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Natsushimacho, sunrise is at 05:13 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 8.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Natsushimacho, Japan
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 22.3°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in September
Natsushimacho, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Natsushimacho, Japan
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in September
Natsushimacho, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Natsushimacho, Japan
- Average rainfall in September: 106mm
The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).
Average rainfall days in September
Natsushimacho, Japan
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Natsushimacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Natsushimacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Natsushimacho, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Natsushimacho, Japan
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Natsushimacho, Japan
- Average UV index in September: 6
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 3).
Average cloud cover in September
Natsushimacho, Japan
- Average cloud cover in September: 36
The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Natsushimacho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
