September weather forecastAkashi, Japan
September
Weather in September
September, the first month of the autumn in Akashi, is still a warm month, with an average temperature varying between 21.5°C (70.7°F) and 26.4°C (79.5°F).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 29.9°C (85.8°F) in August to a still warm 26.4°C (79.5°F). Throughout September, Akashi observes a steady low-temperature average of 21.5°C (70.7°F), reflecting a minor dip from daytime highs.Humidity
In September, the average relative humidity is 76%.Rainfall
In Akashi, in September, during 15.3 rainfall days, 121mm (4.76") of precipitation is typically accumulated. In Akashi, during the entire year, the rain falls for 185.1 days and collects up to 942mm (37.09") of precipitation.Snowfall
April through November are months without snowfall in Akashi.Sea temperature
In Akashi, in September, the average water temperature is 26.2°C (79.2°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.
Daylight
In Akashi, Japan, the average length of the day in September is 12h and 24min.On the first day of September in Akashi, sunrise is at 05:33 and sunset at 18:26. On the last day of the month, sunrise is at 05:54 and sunset at 17:45 JST.
Sunshine
In Akashi, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Akashi, Japan, is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Akashi, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (25.2°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Akashi, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in September
Akashi, Japan
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is January (18km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).
Average humidity in September
Akashi, Japan
- Average humidity in September: 76%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are February, March and April (70%).
Average rainfall in September
Akashi, Japan
- Average rainfall in September: 121mm
The wettest month (with the highest rainfall) is July (176mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Akashi, Japan
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (12 days).
Average snowfall in September
Akashi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Akashi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Akashi, Japan
- Average sea temperature in September: 26.2°C
The best month for swimming (with the highest average sea temperature) is August (27.5°C).
The coldest month (with the lowest average sea temperature) is March (13.9°C).
Average daylight in September /
Average sunshine in September
Akashi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Akashi, Japan
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Akashi, 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
Akashi, Japan
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Akashi, 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).
