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
September marks a gentle change in average high-temperature, declining from August's warm 29.6°C (85.3°F) to a still moderately hot 25.7°C (78.3°F). In Nibuno, an average nighttime temperature of 19.4°C (66.9°F) is expected during September.Humidity
The average relative humidity in September is 80%.Rainfall
In Nibuno, in September, during 14.5 rainfall days, 65mm (2.56") of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 495mm (19.49") of precipitation is accumulated.Snowfall
In Nibuno, snow does not fall in April through November.Daylight
In Nibuno, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 05:34 and sunset at 18:28. On the last day of September, sunrise is at 05:55 and sunset at 17:46 JST.
Sunshine
In Nibuno, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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 much does it rain in September?
When it does not snow?
How many hours of daylight does Nibuno have in September?
When is the sunrise / sunset in September in Nibuno?
How many hours of sunshine does Nibuno have in September?
What is the UV index intensity in September?
Average temperature in September
Nibuno, Japan
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in September
Nibuno, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1020.2mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed in September
Nibuno, Japan
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is January (13.8km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in September
Nibuno, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in September
Nibuno, Japan
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (98mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Nibuno, Japan
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Nibuno, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nibuno, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 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
Nibuno, Japan
- Average daylight in September: 12h and 2min
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 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Nibuno, Japan
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (19.9 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Nibuno, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Nibuno, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and November (Cloud cover 33).
Average visibility in September
Nibuno, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (9km).
