September weather forecastOhara, Japan
September
Weather in September
September, the first month of the autumn in Ohara, is still a warm month, with an average temperature varying between 25.8°C (78.4°F) and 23.5°C (74.3°F).Temperature
September's arrival brings an average high-temperature of a still moderately hot 25.8°C (78.4°F), demonstrating subtle variation from the preceding month. Ohara sustains an average of approximately a still warm 23.5°C (74.3°F) during September nights, with little variation from daytime highs.Humidity
The average relative humidity in September is 78%.Rainfall
In Ohara, in September, during 17.2 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Ohara, during the entire year, the rain falls for 178.9 days and collects up to 1201mm (47.28") of precipitation.Snowfall
In Ohara, snow does not fall in March through December.Daylight
In Ohara, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:11 and sunset at 18:05. On the last day of September, in Ohara, sunrise is at 05:32 and sunset at 17:24 JST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The months with the highest UV index in Ohara are June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ohara, Japan
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average pressure in September
Ohara, Japan
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is November (1017.6mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Ohara, Japan
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is March (25.5km/h).
The calmest month (with the lowest average wind speed) is June (18.7km/h).
Average humidity in September
Ohara, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Ohara, Japan
- Average rainfall in September: 118mm
The wettest month (with the highest rainfall) is October (164mm).
The driest month (with the least rainfall) is January (58mm).
Average rainfall days in September
Ohara, Japan
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is January (9.6 days).
Average snowfall days in September
Ohara, Japan
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ohara, Japan
- Average daylight in September: 12h and 24min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Ohara, Japan
- Average sunshine days in September: 11 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is October (10.2 days).
Average UV index in September
Ohara, Japan
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January and February (UV index 3).
Average cloud cover in September
Ohara, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Ohara, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
