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
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from a tropical 31.9°C (89.4°F) in August to a warm 27.2°C (81°F). During the month of September, an average low-temperature of 20.5°C (68.9°F) is recorded.Heat index
In September, the average heat index is evaluated at a tropical 30°C (86°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Consider that heat index readings are for situations in the shade and light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Imagami, the average relative humidity in September is 74%.Rainfall
In Imagami, in September, it is raining for 16.5 days, with typically 111mm (4.37") of accumulated precipitation. In Imagami, Japan, during the entire year, the rain falls for 161.3 days and collects up to 876mm (34.49") of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Imagami, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:12 and sunset at 18:08. On the last day of September, in Imagami, sunrise is at 05:34 and sunset at 17:26 JST.
Sunshine
In Imagami, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Imagami is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are September temperatures in Imagami?
What is the average humidity in September in Imagami?
How much does it rain in Imagami in September?
When it does not snow in Imagami?
How many hours of daylight does Imagami have in September?
What time are sunrise and sunset in September in Imagami?
How many hours of sunshine does Imagami have in September?
How high is the UV index in September in Imagami?
Average temperature in September
Imagami, Japan
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Imagami, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Imagami, Japan
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is April (12.3km/h).
The calmest month (with the lowest average wind speed) is November (9.1km/h).
Average humidity in September
Imagami, Japan
- Average humidity in September: 74%
The months with the highest relative humidity are June and July (76%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Imagami, Japan
- Average rainfall in September: 111mm
The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is December (31mm).
Average rainfall days in September
Imagami, Japan
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Imagami, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Imagami, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Imagami, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Imagami, Japan
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Imagami, 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
Imagami, Japan
- Average cloud cover in September: 44
The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in September
Imagami, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
Imagami, Japan
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