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
As September arrives, Nikko's weather displays a minor decrease in high-temperatures, transitioning from August's warm 27.6°C (81.7°F) to a still moderately hot 23.1°C (73.6°F). During September, the average low-temperature in Nikko is a moderate 15.4°C (59.7°F).Humidity
The average relative humidity in September is 83%.Rainfall
In Nikko, during September, the rain falls for 20.2 days and regularly aggregates up to 112mm (4.41") of precipitation. Throughout the year, in Nikko, there are 226.7 rainfall days, and 1238mm (48.74") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Nikko, the average length of the day in September is 12h and 26min.On the first day of September in Nikko, sunrise is at 05:12 and sunset at 18:09. On the last day of the month, sunrise is at 05:35 and sunset at 17:26 JST.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September in Nikko is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the usual temperature for Nikko in September?
What is the average humidity in September in Nikko?
How much does it rain in Nikko in September?
When it does not snow in Nikko?
How many hours of daylight does Nikko have in September?
When is the sunrise / sunset in September in Nikko?
How many hours of sunshine does Nikko have in September?
What is the UV index intensity in September in Nikko?
Average temperature in September
Nikko, Japan
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is August (19.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Nikko, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Nikko, Japan
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is July (5.2km/h).
Average humidity in September
Nikko, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in September
Nikko, Japan
- Average rainfall in September: 112mm
The wettest month (with the highest rainfall) is July (178mm).
The driest month (with the least rainfall) is February (41mm).
Average rainfall days in September
Nikko, Japan
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is July (25.9 days).
The month with the least rainy days is January (12.8 days).
Average snowfall in September
Nikko, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (191mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Nikko, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nikko, Japan
- Average daylight in September: 12h and 2min
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 42min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Nikko, Japan
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is November (10.5 days).
The months with the least sunshine days are June and July (3.3 days).
Average UV index in September
Nikko, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Nikko, Japan
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in September
Nikko, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Nikko, Japan
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