September weather forecastIkisu, Japan
September
Weather in September
September, the first month of the autumn in Ikisu, is also a moderately hot month, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 22.2°C (72°F).Temperature
September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 28.5°C (83.3°F) in August to a still warm 25.5°C (77.9°F). Ikisu's average nighttime temperature in September modestly descends to an agreeable 22.2°C (72°F).Humidity
In Ikisu, the average relative humidity in September is 78%.Rainfall
In Ikisu, during September, the rain falls for 16.5 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, in Ikisu, there are 173.3 rainfall days, and 668mm (26.3") of precipitation is accumulated.Snowfall
In Ikisu, snow does not fall in March through December.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:09 and sunset at 18:05. On the last day of September, in Ikisu, sunrise is at 05:31 and sunset at 17:23 JST.
Sunshine
In Ikisu, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Ikisu is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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
Ikisu, 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).
