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 ushers in a minor alteration in Itami's climate, with the average high-temperature moving from August's tropical 31.1°C (88°F) to a moderately hot 26.7°C (80.1°F). Itami records an average nighttime low-temperature of 19.2°C (66.6°F) throughout September.Humidity
In Itami, the average relative humidity in September is 78%.Rainfall
In Itami, in September, it is raining for 14.9 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, in Itami, there are 176.4 rainfall days, and 678mm (26.69") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Itami, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:31 and sunset at 18:25. On the last day of September, in Itami, sunrise is at 05:52 and sunset at 17:44 JST.
Sunshine
The average sunshine in September in Itami, Japan, is 9h.UV index
In Itami, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Itami?
What is the average humidity in September in Itami?
How much does it rain in Itami in September?
When it does not snow in Itami?
How many hours of daylight does Itami have in September?
When are sunrise and sunset in September in Itami?
How many hours of sunshine does Itami have in September?
What is the UV index intensity in September in Itami?
Average temperature in September
Itami, Japan
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Itami, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1019.8mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Itami, Japan
- Average wind speed in September: 8.1km/h
The windiest months (with the highest average wind speed) are January and March (10km/h).
The calmest month (with the lowest average wind speed) is June (7.9km/h).
Average humidity in September
Itami, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Itami, Japan
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (117mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days in September
Itami, Japan
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (12.1 days).
Average snowfall in September
Itami, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (47mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Itami, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Itami, 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 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Itami, Japan
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in September
Itami, 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 and December (UV index 2).
Average cloud cover in September
Itami, Japan
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Itami, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
