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
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 27.5°C (81.5°F) in August to a still warm 23°C (73.4°F). Throughout September, the temperature falls to an average low of 14.6°C (58.3°F).Humidity
In Ichinoseki, the average relative humidity in September is 85%.Rainfall
In September, the rain falls for 14.3 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Ichinoseki, during the entire year, the rain falls for 156 days and collects up to 626mm (24.65") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Ichinoseki is 12h and 27min.On the first day of the month, sunrise is at 05:04 and sunset at 18:06. On the last day of September, sunrise is at 05:30 and sunset at 17:20 JST.
Sunshine
The average sunshine in September is 6.7h.UV index
The average daily maximum UV index in September in Ichinoseki is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Ichinoseki in September?
What is the average humidity in September in Ichinoseki?
How many days does it rain in September in Ichinoseki?
When it does not snow in Ichinoseki?
What is the average length of the day in September in Ichinoseki?
When is the sunrise / sunset in September in Ichinoseki?
How long on average sun shines in September in Ichinoseki?
What is the UV index intensity in September in Ichinoseki?
Average temperature in September
Ichinoseki, Japan
- Average high temperature in September: 23°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 (0.8°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is August (18.8°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in September
Ichinoseki, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in September
Ichinoseki, Japan
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (11.6km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in September
Ichinoseki, Japan
- Average humidity in September: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Ichinoseki, Japan
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Ichinoseki, Japan
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Ichinoseki, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (172mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Ichinoseki, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.1 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
Ichinoseki, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Ichinoseki, Japan
- Average sunshine days in September: 13 days
The month with the most sunshine days is May (16.2 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in September
Ichinoseki, 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 and December (UV index 1).
Average cloud cover in September
Ichinoseki, Japan
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Ichinoseki, Japan
- Average visibility in September: 7km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, July, August and September (7km).
Ichinoseki, Japan
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