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 start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 29.3°C (84.7°F) in August to a still moderately hot 25.6°C (78.1°F). Nights in September in Nijinomatsubara exhibit a minor reduction to an average low temperature of 21.5°C (70.7°F).Humidity
In Nijinomatsubara, the average relative humidity in September is 80%.Rainfall
In Nijinomatsubara, in September, during 14.5 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Nijinomatsubara, during the entire year, the rain falls for 149.2 days and collects up to 456mm (17.95") of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Nijinomatsubara, sunrise is at 05:54 and sunset at 18:45. On the last day of the month, sunrise is at 06:13 and sunset at 18:06 JST.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September in Nijinomatsubara is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Act with care - The need to guard against sun damage is communicated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Nijinomatsubara?
What is the average humidity in September in Nijinomatsubara?
How many days does it rain in September in Nijinomatsubara?
When it does not snow in Nijinomatsubara?
What is the average length of the day in September in Nijinomatsubara?
When is the sunrise / sunset in September in Nijinomatsubara?
How long on average sun shines in September in Nijinomatsubara?
What is the UV index reading in September in Nijinomatsubara?
Average temperature in September
Nijinomatsubara, Japan
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).
Average pressure in September
Nijinomatsubara, Japan
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is January (1022.2mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed in September
Nijinomatsubara, Japan
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).
Average humidity in September
Nijinomatsubara, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in September
Nijinomatsubara, Japan
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Nijinomatsubara, Japan
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is May (9.4 days).
Average snowfall in September
Nijinomatsubara, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nijinomatsubara, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 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
Nijinomatsubara, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in September
Nijinomatsubara, Japan
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Nijinomatsubara, 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
Nijinomatsubara, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Nijinomatsubara, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
Nijinomatsubara, Japan
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