September weather forecastUshiami, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Ushiami, Japan, with an average temperature fluctuating between 18.5°C (65.3°F) and 24.1°C (75.4°F).Temperature
September signifies a gentle decline in Ushiami's average high-temperature, easing from 27.7°C (81.9°F) in August to a still warm 24.1°C (75.4°F). An average nighttime temperature of 18.5°C (65.3°F) is observed in Ushiami during September.Humidity
The average relative humidity in September is 79%.Rainfall
In Ushiami, in September, during 13.6 rainfall days, 92mm (3.62") of precipitation is typically accumulated. Throughout the year, there are 134.2 rainfall days, and 724mm (28.5") of precipitation is accumulated.Snowfall
In Ushiami, snow does not fall in May through November.Daylight
The average length of the day in September in Ushiami, Japan, is 12h and 27min.On the first day of September, sunrise is at 05:04 and sunset at 18:05. On the last day of the month, sunrise is at 05:30 and sunset at 17:20 JST.
Sunshine
In September, the average sunshine in Ushiami is 7.4h.UV index
In September, the average daily maximum UV index in Ushiami is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ushiami, Japan
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in September
Ushiami, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Ushiami, Japan
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
Ushiami, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Ushiami, Japan
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Ushiami, Japan
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Ushiami, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ushiami, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Ushiami, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Ushiami, Japan
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Ushiami, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in September
Ushiami, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility in September
Ushiami, Japan
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
