September weather forecastIkego, Japan
September
Weather in September
September, the first month of the autumn in Ikego, is also a moderately hot month, with an average temperature varying between 26°C (78.8°F) and 22.3°C (72.1°F).Temperature
The advent of September denotes an average high-temperature of a still warm 26°C (78.8°F), subtly different from August's 28.8°C (83.8°F). Ikego, during September nights, experiences a subtle shift to a low average of 22.3°C (72.1°F) from the day's heat.Humidity
In September, the average relative humidity is 77%.Rainfall
In Ikego, in September, it is raining for 15.2 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, there are 150.9 rainfall days, and 867mm (34.13") of precipitation is accumulated.Snowfall
In Ikego, Japan, snow does not fall in April through December.Daylight
In September, the average length of the day in Ikego is 12h and 25min.On the first day of the month, sunrise is at 05:14 and sunset at 18:09. On the last day of September, sunrise is at 05:35 and sunset at 17:27 JST.
Sunshine
In Ikego, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ikego, Japan
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 22.3°C
The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in September
Ikego, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Ikego, 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 (15.9km/h).
Average humidity in September
Ikego, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Ikego, Japan
- Average rainfall in September: 106mm
The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).
Average rainfall days in September
Ikego, Japan
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Ikego, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ikego, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 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
Ikego, Japan
- Average daylight in September: 12h and 24min
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: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in September
Ikego, Japan
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Ikego, Japan
- Average UV index in September: 6
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
Ikego, Japan
- Average cloud cover in September: 36
The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Ikego, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





