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 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
In September, Tairagawa experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 28.7°C (83.7°F), closely mirroring the climate in August. Nights in September in Tairagawa exhibit a minor reduction to an average low temperature of 27.2°C (81°F).Heat index
In September, the average heat index is computed to be a tropical 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in September is 79%.Rainfall
In Tairagawa, during September, the rain falls for 20.3 days and regularly aggregates up to 144mm (5.67") of precipitation. Throughout the year, in Tairagawa, Japan, there are 229 rainfall days, and 1437mm (56.57") of precipitation is accumulated.Daylight
In September, the average length of the day in Tairagawa is 12h and 19min.On the first day of the month, sunrise is at 06:08 and sunset at 18:48. On the last day of September, in Tairagawa, sunrise is at 06:20 and sunset at 18:16 JST.
Sunshine
In September, the average sunshine is 8.3h.UV index
The months with the highest UV index in Tairagawa are June through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 7 during September translates into the following guidance:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
How hot is it in Tairagawa in September?
What is the average humidity in September in Tairagawa?
How many days does it rain in September in Tairagawa?
How many hours of daylight does Tairagawa have in September?
When are sunrise and sunset in September in Tairagawa?
How many hours of sunshine does Tairagawa have in September?
When is the highest UV index in Tairagawa?
How high is the UV index in September in Tairagawa?
Average temperature in September
Tairagawa, Japan
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in September: 27.2°C
The month with the highest average low temperature is August (28.2°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in September
Tairagawa, Japan
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is January (1020.9mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in September
Tairagawa, Japan
- Average wind speed in September: 22km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is May (19.2km/h).
Average humidity in September
Tairagawa, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in September
Tairagawa, Japan
- Average rainfall in September: 144mm
The wettest month (with the highest rainfall) is June (205mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in September
Tairagawa, Japan
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is January (22.6 days).
The months with the least rainy days are March and November (16.5 days).
Average daylight in September /
Average sunshine in September
Tairagawa, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Tairagawa, Japan
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is April (11 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in September
Tairagawa, Japan
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Tairagawa, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Tairagawa, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
Tairagawa, Japan
Weather forecast for your location
2. Allow the app to use your location
