September weather forecastNinomiya, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ninomiya, Japan, with an average temperature fluctuating between 25.4°C (77.7°F) and 20.4°C (68.7°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a warm 29.2°C (84.6°F) in August to a still moderately hot 25.4°C (77.7°F). Ninomiya, during the September nights, maintains an average temperature of 20.4°C (68.7°F), closely aligned with its daytime readings.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 59mm (2.32") of precipitation is accumulated. In Ninomiya, during the entire year, the rain falls for 165.4 days and collects up to 524mm (20.63") of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Ninomiya, the average length of the day in September is 12h and 25min.On the first day of September in Ninomiya, sunrise is at 05:15 and sunset at 18:10. On the last day of the month, sunrise is at 05:37 and sunset at 17:28 JST.
Sunshine
In Ninomiya, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Ninomiya is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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 daylight in September /
Average sunshine in September
Ninomiya, 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: 8h and 12min
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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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
Ninomiya, 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).
