September weather forecastTeraimachi, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Teraimachi, Japan, with temperature in the range of an average high of 24.9°C (76.8°F) and an average low of 20.4°C (68.7°F).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's warm 28.8°C (83.8°F) to a still moderately hot 24.9°C (76.8°F). September registers an average low temperature of 20.4°C (68.7°F) in Teraimachi, subtly lower than the daytime maximum.Humidity
The average relative humidity in September in Teraimachi is 75%.Rainfall
In September, in Teraimachi, Japan, the rain falls for 12.6 days. Throughout September, 65mm (2.56") of precipitation is accumulated. In Teraimachi, during the entire year, the rain falls for 168.8 days and collects up to 796mm (31.34") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Teraimachi, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:25 and sunset at 18:22. On the last day of September, in Teraimachi, sunrise is at 05:48 and sunset at 17:39 JST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index in Teraimachi is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Teraimachi, Japan
- Average high temperature in September: 24.9°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 (5.7°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in September
Teraimachi, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Teraimachi, Japan
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (10.6km/h).
Average humidity in September
Teraimachi, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Teraimachi, Japan
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in September
Teraimachi, Japan
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is May (10.2 days).
Average snowfall in September
Teraimachi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Teraimachi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Teraimachi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Teraimachi, Japan
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in September
Teraimachi, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Teraimachi, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Teraimachi, Japan
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
