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
The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 27.8°C (82°F) in August to a still warm 23°C (73.4°F). Throughout September, the average low-temperature records at a refreshing 14.1°C (57.4°F).Humidity
In Tokamachi, the average relative humidity in September is 83%.Rainfall
In Tokamachi, during September, the rain falls for 16.2 days and regularly aggregates up to 44mm (1.73") of precipitation. In Tokamachi, Japan, during the entire year, the rain falls for 186.2 days and collects up to 729mm (28.7") of precipitation.Snowfall
In Tokamachi, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 05:15 and sunset at 18:14. On the last day of the month, sunrise is at 05:39 and sunset at 17:30 JST.
Sunshine
In Tokamachi, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Tokamachi?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Tokamachi, Japan
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is August (18.7°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Tokamachi, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Tokamachi, Japan
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is January (11km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).
Average humidity in September
Tokamachi, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Tokamachi, Japan
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is May (35mm).
Average rainfall days in September
Tokamachi, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Tokamachi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (638mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Tokamachi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23 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
Tokamachi, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Tokamachi, Japan
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is January (4.6 days).
Average UV index in September
Tokamachi, 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 and December (UV index 1).
Average cloud cover in September
Tokamachi, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is May (Cloud cover 37).
Average visibility in September
Tokamachi, Japan
- Average visibility in September: 8km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January and February (7km).
