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
September
Weather in September
Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 29.1°C (84.4°F) in August to a still warm 25.9°C (78.6°F). Registering an almost steady temperature, Ichijuku's nights in September see an average low of 21.9°C (71.4°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Ichijuku, in September, it is raining for 17.9 days, with typically 147mm (5.79") of accumulated precipitation. In Ichijuku, during the entire year, the rain falls for 179.8 days and collects up to 1175mm (46.26") of precipitation.Snowfall
In Ichijuku, snow does not fall in April through December.Daylight
In Ichijuku, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 05:12 and sunset at 18:07. On the last day of the month, sunrise is at 05:34 and sunset at 17:25 JST.
Sunshine
The average sunshine in September in Ichijuku is 7.4h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ichijuku in September?
What is the average humidity in September in Ichijuku?
How many days does it rain in September in Ichijuku?
When it does not snow in Ichijuku?
What is the average length of the day in September in Ichijuku?
When is the sunrise / sunset in September in Ichijuku?
How long on average sun shines in September in Ichijuku?
How high is the UV index in September in Ichijuku?
Average temperature in September
Ichijuku, Japan
- Average high temperature in September: 25.9°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (9.6°C).
- Average low temperature in September: 21.9°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 (5°C).
Average pressure in September
Ichijuku, Japan
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Ichijuku, Japan
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is March (20.3km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in September
Ichijuku, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Ichijuku, Japan
- Average rainfall in September: 147mm
The wettest month (with the highest rainfall) is October (157mm).
The driest month (with the least rainfall) is January (54mm).
Average rainfall days in September
Ichijuku, Japan
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is October (18.3 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in September
Ichijuku, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ichijuku, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ichijuku, Japan
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Ichijuku, Japan
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is October (10 days).
Average UV index in September
Ichijuku, 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 and December (UV index 3).
Average cloud cover in September
Ichijuku, Japan
- Average cloud cover in September: 42
The months with the most cloud cover are June and October (Cloud cover 48).
The months with the least cloud cover are January and August (Cloud cover 34).
Average visibility in September
Ichijuku, 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).
