September weather forecastNihonodori, Japan
September
Weather in September
September, the first month of the autumn in Nihonodori, is still a warm month, with an average temperature fluctuating between 26.6°C (79.9°F) and 22.2°C (72°F).Temperature
Nihonodori's weather subtly changes with the onset of September, barely falling from 29.8°C (85.6°F) in August to a still warm 26.6°C (79.9°F). Nihonodori sustains an average of approximately a pleasant 22.2°C (72°F) during September nights, with little variation from daytime highs.Humidity
In September, the average relative humidity in Nihonodori, Japan, is 75%.Rainfall
In Nihonodori, in September, it is raining for 16 days, with typically 117mm (4.61") of accumulated precipitation. Throughout the year, there are 159.8 rainfall days, and 902mm (35.51") of precipitation is accumulated.Snowfall
In Nihonodori, snow does not fall in April through December.Daylight
In September, the average length of the day in Nihonodori is 12h and 25min.On the first day of the month, sunrise is at 05:13 and sunset at 18:08. On the last day of September, sunrise is at 05:35 and sunset at 17:27 JST.
Sunshine
In Nihonodori, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September in Nihonodori, Japan, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nihonodori, Japan
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 22.2°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 (3.9°C).
Average pressure in September
Nihonodori, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Nihonodori, Japan
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is April (17.9km/h).
The calmest month (with the lowest average wind speed) is June (14.2km/h).
Average humidity in September
Nihonodori, Japan
- Average humidity in September: 75%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Nihonodori, Japan
- Average rainfall in September: 117mm
The wettest month (with the highest rainfall) is October (138mm).
The driest month (with the least rainfall) is December (38mm).
Average rainfall days in September
Nihonodori, Japan
- Average rainfall days in September: 16 days
The months with the highest number of rainy days are June and September (16 days).
The month with the least rainy days is December (8.1 days).
Average snowfall in September
Nihonodori, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Nihonodori, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Nihonodori, 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: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Nihonodori, Japan
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (11.4 days).
Average UV index in September
Nihonodori, 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, February, March and December (UV index 3).
Average cloud cover in September
Nihonodori, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Nihonodori, 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).
