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
As August transitions into September, Nakabayashi sees a gentle drop in the average high-temperature, transitioning from a warm 28.8°C (83.8°F) to a still moderately hot 24.9°C (76.8°F). Nakabayashi sees a minor drop to an average minimum temperature of 20.4°C (68.7°F) during the night in the month of September.Humidity
In Nakabayashi, the average relative humidity in September is 75%.Rainfall
In Nakabayashi, in September, it is raining for 12.6 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, there are 168.8 rainfall days, and 796mm (31.34") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:24 and sunset at 18:22. On the last day of September, sunrise is at 05:48 and sunset at 17:38 JST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Nakabayashi, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
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 Nakabayashi have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Nakabayashi have in September?
How high is the UV index in September?
Average temperature in September
Nakabayashi, Japan
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in September
Nakabayashi, Japan
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in September
Nakabayashi, Japan
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (10.6km/h).
Average humidity in September
Nakabayashi, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Nakabayashi, Japan
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in September
Nakabayashi, Japan
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is May (10.2 days).
Average snowfall in September
Nakabayashi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nakabayashi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Nakabayashi, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
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 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Nakabayashi, Japan
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in September
Nakabayashi, 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, February and December (UV index 2).
Average cloud cover in September
Nakabayashi, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Nakabayashi, Japan
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
