September weather forecastHimi, Japan
September
Weather in September
September, the first month of the autumn in Himi, is also a moderately hot month, with an average temperature fluctuating between 19.5°C (67.1°F) and 24.6°C (76.3°F).Temperature
Himi's September weather features a light decline in high-temperatures, reducing from 29.2°C (84.6°F) in August to a still moderately hot 24.6°C (76.3°F). September in Himi sees the temperature falling to a mean low of 19.5°C (67.1°F).Humidity
In Himi, the average relative humidity in September is 78%.Rainfall
In Himi, during September, the rain falls for 16.2 days and regularly aggregates up to 123mm (4.84") of precipitation. In Himi, during the entire year, the rain falls for 204.1 days and collects up to 1443mm (56.81") of precipitation.Snowfall
May through November are months without snowfall in Himi, Japan.Sea temperature
In Himi, Japan, in September, the average water temperature is 25.3°C (77.5°F).Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
The average length of the day in September in Himi is 12h and 26min.On the first day of the month, sunrise is at 05:23 and sunset at 18:20. On the last day of September, sunrise is at 05:46 and sunset at 17:37 JST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index in Himi is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Act with care - The need to guard against sun damage is communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! Reflective surfaces like sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Himi, Japan
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).
Average pressure in September
Himi, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Himi, Japan
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in September
Himi, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Himi, Japan
- Average rainfall in September: 123mm
The wettest month (with the highest rainfall) is December (168mm).
The driest month (with the least rainfall) is May (75mm).
Average rainfall days in September
Himi, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is December (22.4 days).
The month with the least rainy days is May (13 days).
Average snowfall in September
Himi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (422mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Himi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Himi, Japan
- Average sea temperature in September: 25.3°C
The best month for swimming (with the highest average sea temperature) is August (27.1°C).
The coldest month (with the lowest average sea temperature) is March (10.3°C).
Average daylight in September /
Average sunshine in September
Himi, Japan
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Himi, Japan
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in September
Himi, 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 December (UV index 1).
Average cloud cover in September
Himi, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Himi, Japan
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is January (8km).
