September weather forecastTatsuta, Japan
September
Weather in September
September, the first month of the autumn in Tatsuta, is still a warm month, with an average temperature varying between 27.4°C (81.3°F) and 20°C (68°F).Temperature
A mild drop in Tatsuta's average high-temperature is observed in September, transitioning from a tropical 31.5°C (88.7°F) in August to a warm 27.4°C (81.3°F). In Tatsuta, the average nighttime temperature during September is an agreeable 20°C (68°F).Heat index
In September, the average heat index is computed to be a hot 30°C (86°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Heat index determinations are made taking into account the shade and light air movements. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
In September, the average relative humidity is 75%.Rainfall
In Tatsuta, in September, during 15.8 rainfall days, 97mm (3.82") of precipitation is typically accumulated. In Tatsuta, during the entire year, the rain falls for 178.1 days and collects up to 850mm (33.46") of precipitation.Snowfall
In Tatsuta, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:30 and sunset at 18:23. On the last day of September, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Tatsuta, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tatsuta, Japan
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is August (23.9°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Tatsuta, Japan
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is February (1019.6mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Tatsuta, Japan
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is June (7.1km/h).
Average humidity in September
Tatsuta, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (78%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Tatsuta, Japan
- Average rainfall in September: 97mm
The wettest month (with the highest rainfall) is July (146mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in September
Tatsuta, Japan
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in September
Tatsuta, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Tatsuta, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Tatsuta, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in September
Tatsuta, Japan
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Tatsuta, 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
Tatsuta, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Tatsuta, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
