September weather forecastSuttsu, Japan
September
Weather in September
September, the first month of the autumn in Suttsu, is also an agreeable month, with an average temperature ranging between min 15.4°C (59.7°F) and max 20.6°C (69.1°F).Temperature
The commencement of September records an average high-temperature of an agreeable 20.6°C (69.1°F), barely varying from August's 23.1°C (73.6°F). The low-temperature average for Suttsu during September stands at a mild 15.4°C (59.7°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Suttsu, in September, during 16.1 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, there are 149.3 rainfall days, and 817mm (32.17") of precipitation is accumulated.Snowfall
In Suttsu, snow does not fall in May through September.Daylight
In September, the average length of the day in Suttsu is 12h and 31min.On the first day of the month, sunrise is at 05:03 and sunset at 18:14. On the last day of September, sunrise is at 05:35 and sunset at 17:22 JST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The months with the highest UV index in Suttsu are June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Suttsu, Japan
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 15.4°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 (-5.5°C).
Average pressure in September
Suttsu, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1016.5mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in September
Suttsu, Japan
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Suttsu, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Suttsu, Japan
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is April (46mm).
Average rainfall days in September
Suttsu, Japan
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Suttsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (301mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Suttsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Suttsu, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Suttsu, Japan
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (2.5 days).
Average UV index in September
Suttsu, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Suttsu, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Suttsu, Japan
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).
