September weather forecastImadomari, Japan
September
Weather in September
September, the first month of the autumn in Imadomari, is also a moderately hot month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 26.8°C (80.2°F).Temperature
On the advent of September, Imadomari's average high-temperature exhibits a minor adjustment to a still warm 28.7°C (83.7°F) from August's 29.4°C (84.9°F). Imadomari registers a steady nighttime temperature averaging a still warm 26.8°C (80.2°F) throughout September.Heat index
In September, the heat index is estimated at a tropical 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September in Imadomari is 79%.Rainfall
In September, the rain falls for 20.8 days. Throughout September, 155mm (6.1") of precipitation is accumulated. In Imadomari, during the entire year, the rain falls for 229.8 days and collects up to 1512mm (59.53") of precipitation.Daylight
The average length of the day in September in Imadomari is 12h and 19min.On the first day of the month, sunrise is at 06:07 and sunset at 18:48. On the last day of September, sunrise is at 06:20 and sunset at 18:16 JST.
Sunshine
The average sunshine in September is 8.1h.UV index
June through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 7 transforms into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Imadomari, Japan
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (18.6°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is August (27.8°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in September
Imadomari, Japan
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is August (1006.7mbar).
Average wind speed in September
Imadomari, Japan
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in September
Imadomari, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in September
Imadomari, Japan
- Average rainfall in September: 155mm
The wettest month (with the highest rainfall) is June (228mm).
The driest month (with the least rainfall) is January (63mm).
Average rainfall days in September
Imadomari, Japan
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is June (22.6 days).
The month with the least rainy days is November (16.2 days).
Average daylight in September /
Average sunshine in September
Imadomari, Japan
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Imadomari, Japan
- Average sunshine days in September: 5.9 days
The month with the most sunshine days is May (11.1 days).
The month with the least sunshine days is June (5.4 days).
Average UV index in September
Imadomari, Japan
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Imadomari, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Imadomari, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
