September weather forecastNikkawa, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Nikkawa, Japan, with temperature in the range of an average low of 22.2°C (72°F) and an average high of 25.5°C (77.9°F).Temperature
As August makes way for September, Nikkawa's average high-temperature eases from a moderately hot 28.5°C (83.3°F) to a still warm 25.5°C (77.9°F). Nikkawa in September observes a slight diminution in temperature from daily highs, recording a low-temperature average of 22.2°C (72°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Nikkawa, in September, during 16.5 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Nikkawa, during the entire year, the rain falls for 173.3 days and collects up to 668mm (26.3") of precipitation.Snowfall
March through December are months without snowfall in Nikkawa, Japan.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Nikkawa, sunrise is at 05:09 and sunset at 18:05. On the last day of the month, sunrise is at 05:31 and sunset at 17:22 JST.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Nikkawa, Japan, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nikkawa, Japan
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (28.5°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 (24.8°C).
The coldest month (with the lowest average low temperature) is January (4.8°C).
Average pressure in September
Nikkawa, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Nikkawa, Japan
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in September
Nikkawa, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Nikkawa, Japan
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Nikkawa, Japan
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is October (17.7 days).
The month with the least rainy days is January (10.2 days).
Average snowfall in September
Nikkawa, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Nikkawa, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Nikkawa, 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 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Nikkawa, Japan
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is October (10.8 days).
Average UV index in September
Nikkawa, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in September
Nikkawa, Japan
- Average cloud cover in September: 40
The months with the most cloud cover are March, June and October (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 33).
Average visibility in September
Nikkawa, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
