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 sea temperature 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
As September commences, the average high-temperature subtly reduces, transitioning from 29.2°C (84.6°F) in August to a still moderately hot 25.4°C (77.7°F). Nighttime temperature in Hiratsuka sees a small decrement from daytime highs, dipping to an average of 20.4°C (68.7°F) during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Hiratsuka, in September, during 14.8 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Hiratsuka, during the entire year, the rain falls for 165.4 days and collects up to 524mm (20.63") of precipitation.Snowfall
In Hiratsuka, snow does not fall in April through December.Sea temperature
In Hiratsuka, in September, the average water temperature is 25.8°C (78.4°F).Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.
Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Hiratsuka, sunrise is at 05:15 and sunset at 18:10. On the last day of the month, sunrise is at 05:36 and sunset at 17:28 JST.
Sunshine
In Hiratsuka, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Hiratsuka is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Undertake protective steps - Preventing sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! The reflection of sand and water increases the UV dose.
Frequently asked questions
What are September temperatures in Hiratsuka?
What is the average humidity in September in Hiratsuka?
How many days does it rain in September in Hiratsuka?
When it does not snow in Hiratsuka?
What is the sea water temperature in September in Hiratsuka?
What is the average length of the day in September in Hiratsuka?
When are sunrise and sunset in September in Hiratsuka?
How long on average sun shines in September in Hiratsuka?
What is the UV index intensity in September in Hiratsuka?
Average temperature in September
Hiratsuka, Japan
- Average high temperature in September: 25.4°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 (8.3°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Hiratsuka, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Hiratsuka, Japan
- Average wind speed in September: 12.6km/h
The windiest months (with the highest average wind speed) are March and April (14.9km/h).
The calmest month (with the lowest average wind speed) is June (12km/h).
Average humidity in September
Hiratsuka, Japan
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Hiratsuka, Japan
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is July (81mm).
The driest months (with the least rainfall) are January and February (19mm).
Average rainfall days in September
Hiratsuka, Japan
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in September
Hiratsuka, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Hiratsuka, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Hiratsuka, Japan
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in September /
Average sunshine in September
Hiratsuka, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in September
Hiratsuka, Japan
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is December (20.2 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Hiratsuka, 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
Hiratsuka, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Hiratsuka, 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).
Hiratsuka, Japan
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