September weather forecastTama, Japan
September
Weather in September
September, the first month of the autumn in Tama, is still a warm month, with an average temperature ranging between max 27.3°C (81.1°F) and min 21.4°C (70.5°F).Temperature
Tama in September experiences a gentle temperature dip, with average high-temperatures reducing from a hot 31.5°C (88.7°F) in August to a warm 27.3°C (81.1°F). Throughout September, a steady low-temperature average of 21.4°C (70.5°F) is noted.Heat index
The heat index in September is calculated to be 29°C (84.2°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
The average relative humidity in September is 71%.Rainfall
September is the month with the most rainfall. Rain falls for 12.3 days and accumulates 53mm (2.09") of precipitation.Snowfall
In Tama, Japan, snow does not fall in April through December.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Tama, Japan, sunrise is at 05:14 and sunset at 18:09. On the last day of the month, sunrise is at 05:36 and sunset at 17:27 JST.
Sunshine
In Tama, the average sunshine in September is 7.8h.UV index
In Tama, Japan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tama, Japan
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is August (31.5°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is August (25.2°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Tama, Japan
- Average pressure in September: 1013.4mbar
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
Tama, Japan
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is April (14.2km/h).
The calmest month (with the lowest average wind speed) is November (11.2km/h).
Average humidity in September
Tama, Japan
- Average humidity in September: 71%
The month with the highest relative humidity is July (75%).
The month with the lowest relative humidity is January (58%).
Average rainfall in September
Tama, Japan
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is September (53mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in September
Tama, Japan
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in September
Tama, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Tama, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Tama, Japan
- Average daylight in September: 12h and 24min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Tama, Japan
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (25.3 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in September
Tama, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Tama, Japan
- Average cloud cover in September: 41
The months with the most cloud cover are June and October (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Tama, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
