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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's hot 30.6°C (87.1°F) to a moderately hot 26.9°C (80.4°F). In September, Komatsugawa records an average nighttime temperature of 21.5°C (70.7°F).Humidity
In Komatsugawa, the average relative humidity in September is 74%.Rainfall
The month with the most rainfall in Komatsugawa is September, when the rain falls for 12.9 days and typically aggregates up to 54mm (2.13") of precipitation.Snowfall
In Komatsugawa, Japan, snow does not fall in March 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 05:34 and sunset at 17:26 JST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Komatsugawa, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Komatsugawa in September?
What is the average humidity in September in Komatsugawa?
What is the rainiest month in Komatsugawa?
How much does it rain in Komatsugawa in September?
When it does not snow in Komatsugawa?
How many hours of daylight does Komatsugawa have in September?
When is the sunrise / sunset in September in Komatsugawa?
How many hours of sunshine does Komatsugawa have in September?
What is the UV index reading in September in Komatsugawa?
Average temperature in September
Komatsugawa, Japan
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in September
Komatsugawa, Japan
- Average pressure in September: 1013.4mbar
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
Komatsugawa, Japan
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).
Average humidity in September
Komatsugawa, Japan
- Average humidity in September: 74%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Komatsugawa, Japan
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Komatsugawa, Japan
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Komatsugawa, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Komatsugawa, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Komatsugawa, Japan
- Average daylight in September: 12h and 2min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Komatsugawa, Japan
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Komatsugawa, Japan
- Average UV index in September: 6
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
Komatsugawa, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in September
Komatsugawa, 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).
Komatsugawa, Japan
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