September weather forecastImado, Japan
September
Weather in September
September, the first month of the autumn in Imado, is also a moderately hot month, with an average temperature varying between 21.3°C (70.3°F) and 27.2°C (81°F).Temperature
Imado's transition into September involves a gentle shift in temperature, receding from a tropical 31.3°C (88.3°F) in August to a moderately hot 27.2°C (81°F). Nighttime temperature dips to a mean of 21.3°C (70.3°F) during September.Heat index
September's average heat index is computed to be 29°C (84.2°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 73%.Rainfall
In Imado, during September, the rain falls for 18.5 days and regularly aggregates up to 126mm (4.96") of precipitation. In Imado, Japan, during the entire year, the rain falls for 182.7 days and collects up to 960mm (37.8") of precipitation.Snowfall
In Imado, snow does not fall in April through December.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 05:12 and sunset at 18:08. On the last day of the month, sunrise is at 05:35 and sunset at 17:26 JST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index in Imado is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Imado, Japan
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 21.3°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 (2.4°C).
Average pressure in September
Imado, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Imado, Japan
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11km/h).
Average humidity in September
Imado, Japan
- Average humidity in September: 73%
The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Imado, Japan
- Average rainfall in September: 126mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).
Average rainfall days in September
Imado, Japan
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Imado, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Imado, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3 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
Imado, 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: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Imado, Japan
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in September
Imado, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Imado, Japan
- Average cloud cover in September: 42
The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Imado, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, May, August, November and December (10km).
The months with the lowest visibility are April, June, July, September and October (9km).
