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
The average high-temperature slightly decreases in September, shifting from a tropical 31.9°C (89.4°F) in August to a moderately hot 27.4°C (81.3°F). Tokorozawa records an average low of 20.9°C (69.6°F) throughout the nights in September.Heat index
September's average heat index is estimated at a tropical 30°C (86°F). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Tokorozawa, Japan, the average relative humidity in September is 72%.Rainfall
In Tokorozawa, in September, during 15.5 rainfall days, 100mm (3.94") of precipitation is typically accumulated. Throughout the year, in Tokorozawa, Japan, there are 161.9 rainfall days, and 857mm (33.74") of precipitation is accumulated.Snowfall
In Tokorozawa, snow does not fall in April through October and December.Daylight
In Tokorozawa, 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, sunrise is at 05:36 and sunset at 17:27 JST.
Sunshine
The average sunshine in September in Tokorozawa is 7.9h.UV index
In September, the average daily maximum UV index in Tokorozawa is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - Guarding against sun damage is counselled. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Tokorozawa?
What is the average humidity in September in Tokorozawa?
How much does it rain in Tokorozawa in September?
When it does not snow in Tokorozawa?
How many hours of daylight does Tokorozawa have in September?
When are sunrise and sunset in September in Tokorozawa?
How long on average sun shines in September in Tokorozawa?
What is the UV index reading in September in Tokorozawa?
Average temperature in September
Tokorozawa, Japan
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in September: 20.9°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2°C).
Average pressure in September
Tokorozawa, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Tokorozawa, Japan
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is April (12.9km/h).
The calmest month (with the lowest average wind speed) is November (10.1km/h).
Average humidity in September
Tokorozawa, Japan
- Average humidity in September: 72%
The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).
Average rainfall in September
Tokorozawa, Japan
- Average rainfall in September: 100mm
The wettest month (with the highest rainfall) is October (121mm).
The driest months (with the least rainfall) are February and December (34mm).
Average rainfall days in September
Tokorozawa, Japan
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Tokorozawa, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Tokorozawa, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Tokorozawa, 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: 6h and 0min).
Average sunshine days in September
Tokorozawa, Japan
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Tokorozawa, 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
Tokorozawa, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Tokorozawa, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, May, August, October, November and December (10km).
The months with the lowest visibility are April, June, July and September (9km).
