September weather forecastShimobuchi, Japan
September
Weather in September
September, the first month of the autumn in Shimobuchi, is also a moderately hot month, with an average temperature ranging between min 18°C (64.4°F) and max 25.9°C (78.6°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from a tropical 30.1°C (86.2°F) in August to a warm 25.9°C (78.6°F). Shimobuchi, during the month of September, experiences an average low-temperature of 18°C (64.4°F).Humidity
The average relative humidity in September in Shimobuchi is 81%.Rainfall
In Shimobuchi, in September, during 17.7 rainfall days, 95mm (3.74") of precipitation is typically accumulated. In Shimobuchi, during the entire year, the rain falls for 193.3 days and collects up to 1025mm (40.35") of precipitation.Snowfall
In Shimobuchi, Japan, snow does not fall in May through November.Daylight
In Shimobuchi, the average length of the day in September is 12h and 24min.On the first day of September in Shimobuchi, Japan, sunrise is at 05:30 and sunset at 18:23. On the last day of the month, sunrise is at 05:50 and sunset at 17:42 JST.
Sunshine
In Shimobuchi, the average sunshine in September is 8.6h.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 unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shimobuchi, Japan
- Average high temperature in September: 25.9°C
The warmest month (with the highest average high temperature) is August (30.1°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 (22.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in September
Shimobuchi, Japan
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Shimobuchi, Japan
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is June (5.8km/h).
Average humidity in September
Shimobuchi, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Shimobuchi, Japan
- Average rainfall in September: 95mm
The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is January (46mm).
Average rainfall days in September
Shimobuchi, Japan
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Shimobuchi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Shimobuchi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 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
Shimobuchi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Shimobuchi, Japan
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is May (15.6 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in September
Shimobuchi, 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
Shimobuchi, Japan
- Average cloud cover in September: 39
The months with the most cloud cover are January, February and June (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Shimobuchi, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
