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
Weather in September
Temperature
A moderate decline in average high-temperatures is noted in September, moving from a hot 30.3°C (86.5°F) in August to a warm 26.1°C (79°F). September's average low-temperature reading settles at an agreeable 20.5°C (68.9°F).Humidity
The average relative humidity in September is 75%.Rainfall
In Nagatsutacho, in September, during 15.5 rainfall days, 108mm (4.25") of precipitation is typically accumulated. In Nagatsutacho, during the entire year, the rain falls for 176.1 days and collects up to 995mm (39.17") of precipitation.Snowfall
In Nagatsutacho, snow does not fall in April through October.Daylight
In Nagatsutacho, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:14 and sunset at 18:09. On the last day of September, in Nagatsutacho, Japan, sunrise is at 05:36 and sunset at 17:27 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What are the temperatures in Nagatsutacho in September?
What is the average humidity in September in Nagatsutacho?
How many days does it rain in September in Nagatsutacho?
When it does not snow in Nagatsutacho?
How many hours of daylight does Nagatsutacho have in September?
When is the sunrise / sunset in September in Nagatsutacho?
How many hours of sunshine does Nagatsutacho have in September?
What is the UV index intensity in September in Nagatsutacho?
Average temperature in September
Nagatsutacho, Japan
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Nagatsutacho, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Nagatsutacho, Japan
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is November (11.3km/h).
Average humidity in September
Nagatsutacho, Japan
- Average humidity in September: 75%
The months with the highest relative humidity are June and July (77%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Nagatsutacho, Japan
- Average rainfall in September: 108mm
The wettest month (with the highest rainfall) is October (138mm).
The driest months (with the least rainfall) are February and December (46mm).
Average rainfall days in September
Nagatsutacho, Japan
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
Nagatsutacho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (52mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Nagatsutacho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nagatsutacho, 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 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Nagatsutacho, Japan
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Nagatsutacho, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in September
Nagatsutacho, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Nagatsutacho, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, August, November and December (10km).
The months with the lowest visibility are March, April, May, June, July, September and October (9km).
Nagatsutacho, Japan
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