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
September's arrival aligns with a minor decrease in average high-temperatures, from August's 27.5°C (81.5°F) to a still moderately hot 23.4°C (74.1°F). Ichikawadaimon, in September, witnesses an average low-temperature of 13.3°C (55.9°F).Humidity
In Ichikawadaimon, the average relative humidity in September is 82%.Rainfall
In Ichikawadaimon, in September, it is raining for 20.5 days, with typically 122mm (4.8") of accumulated precipitation. Throughout the year, there are 212.9 rainfall days, and 1168mm (45.98") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:18 and sunset at 18:13. On the last day of September, sunrise is at 05:40 and sunset at 17:31 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 in September translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ichikawadaimon in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Ichikawadaimon?
How many hours of daylight does Ichikawadaimon have in September?
When is the sunrise / sunset in September in Ichikawadaimon?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Ichikawadaimon, Japan
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in September
Ichikawadaimon, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Ichikawadaimon, Japan
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is January (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Ichikawadaimon, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (69%).
Average rainfall in September
Ichikawadaimon, Japan
- Average rainfall in September: 122mm
The wettest month (with the highest rainfall) is October (170mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in September
Ichikawadaimon, Japan
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in September
Ichikawadaimon, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (88mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ichikawadaimon, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Ichikawadaimon, 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 5min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Ichikawadaimon, Japan
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is December (15.4 days).
The month with the least sunshine days is June (4 days).
Average UV index in September
Ichikawadaimon, 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, November and December (UV index 2).
Average cloud cover in September
Ichikawadaimon, Japan
- Average cloud cover in September: 49
The months with the most cloud cover are June, July and September (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Ichikawadaimon, Japan
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, November and December (9km).
The month with the lowest visibility is September (7km).
