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 heralds a minor drop in average high-temperature, sliding from August's warm 26.3°C (79.3°F) to a pleasant 22.4°C (72.3°F). In Nyuzen, the September nights are characterized by an average low-temperature of 17.7°C (63.9°F), a minor dip from daytime readings.Humidity
In September, the average relative humidity is 78%.Rainfall
In Nyuzen, in September, during 17.7 rainfall days, 101mm (3.98") of precipitation is typically accumulated. Throughout the year, there are 213.7 rainfall days, and 1500mm (59.06") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 05:20 and sunset at 18:18. On the last day of the month, sunrise is at 05:44 and sunset at 17:35 JST.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index 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 average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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 in Nyuzen?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Nyuzen have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Nyuzen have in September?
What is the UV index intensity in September?
Average temperature in September
Nyuzen, Japan
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (21.5°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in September
Nyuzen, Japan
- Average pressure in September: 1013.8mbar
The months with the highest atmospheric pressure are February and November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Nyuzen, Japan
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Nyuzen, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Nyuzen, Japan
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is July (207mm).
The driest month (with the least rainfall) is May (75mm).
Average rainfall days in September
Nyuzen, Japan
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is July (25.5 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in September
Nyuzen, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (545mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Nyuzen, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 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
Nyuzen, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Nyuzen, Japan
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is July (2.6 days).
Average UV index in September
Nyuzen, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Nyuzen, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 33).
Average visibility in September
Nyuzen, Japan
- Average visibility in September: 10km
The months with the highest visibility are June, September, October and November (10km).
The month with the lowest visibility is January (8km).
