September weather forecastTomota, Japan
September
Weather in September
September, the first month of the autumn in Tomota, is still a warm month, with an average temperature varying between 17.8°C (64°F) and 25°C (77°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 29.3°C (84.7°F) to a still moderately hot 25°C (77°F). During September nights, Tomota witnesses a consistent average temperature of 17.8°C (64°F).Humidity
The average relative humidity in September is 83%.Rainfall
In September, the rain falls for 15.4 days. Throughout September, 105mm (4.13") of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 1174mm (46.22") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Tomota, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:44 and sunset at 18:37. On the last day of September, sunrise is at 06:05 and sunset at 17:57 JST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tomota, Japan
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Tomota, Japan
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in September
Tomota, Japan
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is January (8.9km/h).
The calmest month (with the lowest average wind speed) is June (5.5km/h).
Average humidity in September
Tomota, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Tomota, Japan
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is July (226mm).
The driest month (with the least rainfall) is November (44mm).
Average rainfall days in September
Tomota, Japan
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Tomota, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Tomota, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Tomota, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Tomota, Japan
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is July (8 days).
Average UV index in September
Tomota, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Tomota, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is July (Cloud cover 50).
The months with the least cloud cover are October and November (Cloud cover 35).
Average visibility in September
Tomota, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The month with the lowest visibility is July (7km).
