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
September
Weather in September
Temperature
A shift in the average high-temperature occurs in September, reducing from a warm 27.2°C (81°F) in August to a pleasant 22.2°C (72°F). In Oishida, the September nights cool down to an average low of 13.6°C (56.5°F).Humidity
The average relative humidity in September is 87%.Rainfall
In September, the rain falls for 18.7 days. Throughout September, 85mm (3.35") of precipitation is accumulated. In Oishida, Japan, during the entire year, the rain falls for 198.4 days and collects up to 1328mm (52.28") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Oishida, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 05:07 and sunset at 18:09. On the last day of September, sunrise is at 05:33 and sunset at 17:23 JST.
Sunshine
In September, the average sunshine is 6.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Oishida in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September in Oishida?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Oishida, Japan
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in September
Oishida, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1009.2mbar).
Average wind speed in September
Oishida, Japan
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is January (12km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in September
Oishida, Japan
- Average humidity in September: 87%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Oishida, Japan
- Average rainfall in September: 85mm
The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is November (76mm).
Average rainfall days in September
Oishida, Japan
- Average rainfall days in September: 18.7 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Oishida, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (928mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Oishida, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (27.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Oishida, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Oishida, Japan
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is January (0.9 days).
Average UV index in September
Oishida, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Oishida, Japan
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Oishida, Japan
- Average visibility in September: 6km
The months with the highest visibility are April, May and November (8km).
The month with the lowest visibility is January (5km).
