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
On the advent of September, Asso's average high-temperature exhibits a minor adjustment to a still moderately hot 25.8°C (78.4°F) from August's 28.3°C (82.9°F). Night temperatures in September in Asso exhibit a subtle decrease, settling at an average of 22°C (71.6°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Asso, the rain falls for 17.5 days. Throughout September, 160mm (6.3") of precipitation is accumulated. In Asso, during the entire year, the rain falls for 172.3 days and collects up to 1363mm (53.66") of precipitation.Snowfall
In Asso, snow does not fall in March through November.Daylight
In Asso, Japan, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 05:32 and sunset at 18:24. On the last day of the month, sunrise is at 05:52 and sunset at 17:44 JST.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index in Asso is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Asso?
What is the average humidity in September in Asso?
How many days does it rain in September in Asso?
When it does not snow in Asso?
How many hours of daylight does Asso have in September?
When are sunrise and sunset in September in Asso?
How long on average sun shines in September in Asso?
What is the UV index intensity in September in Asso?
Average temperature in September
Asso, Japan
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in September
Asso, Japan
- Average pressure in September: 1012.2mbar
The months with the highest atmospheric pressure are January and February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in September
Asso, Japan
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is January (21.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Asso, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Asso, Japan
- Average rainfall in September: 160mm
The wettest month (with the highest rainfall) is July (226mm).
The driest month (with the least rainfall) is January (41mm).
Average rainfall days in September
Asso, Japan
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Asso, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Asso, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Asso, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Asso, Japan
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is August (5.5 days).
Average UV index in September
Asso, 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, February and December (UV index 3).
Average cloud cover in September
Asso, Japan
- Average cloud cover in September: 34
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in September
Asso, 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).
