September weather forecastOkitsu, Japan
September
Weather in September
September, the first month of the autumn in Okitsu, 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
The advent of September observes an average high-temperature of a still moderately hot 25.8°C (78.4°F), nearly identical to August's 28.3°C (82.9°F). Okitsu marks an average drop to a still moderately hot 23.5°C (74.3°F) during nighttime in September, following the high of the day.Humidity
The average relative humidity in September in Okitsu is 78%.Rainfall
In Okitsu, in September, during 17.2 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Okitsu, Japan, during the entire year, the rain falls for 178.9 days and collects up to 1201mm (47.28") of precipitation.Snowfall
In Okitsu, snow does not fall in March through December.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 05:11 and sunset at 18:06. On the last day of the month, sunrise is at 05:33 and sunset at 17:24 JST.
Sunshine
In Okitsu, the average sunshine in September is 7.8h.UV index
The months with the highest UV index in Okitsu are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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
Okitsu, 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).
