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 arrival of September is marked by an average high-temperature of a still moderately hot 26.9°C (80.4°F), bearing a close resemblance to August. Nighttime temperatures hover around an average low of 22.1°C (71.8°F) in September, a slight descent from daytime highs.Humidity
The average relative humidity in September is 79%.Rainfall
In Shintomi, in September, it is raining for 17.3 days, with typically 124mm (4.88") of accumulated precipitation. Throughout the year, in Shintomi, there are 158.4 rainfall days, and 1204mm (47.4") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Shintomi.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 05:49 and sunset at 18:38. On the last day of the month, sunrise is at 06:07 and sunset at 18:00 JST.
Sunshine
In Shintomi, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Shintomi is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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 many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Shintomi, Japan
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in September: 22.1°C
The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is January (4.7°C).
Average pressure in September
Shintomi, Japan
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is January (1021.2mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in September
Shintomi, Japan
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is October (12.2km/h).
The calmest month (with the lowest average wind speed) is November (9.8km/h).
Average humidity in September
Shintomi, Japan
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is January (69%).
Average rainfall in September
Shintomi, Japan
- Average rainfall in September: 124mm
The wettest month (with the highest rainfall) is June (214mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in September
Shintomi, Japan
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Shintomi, Japan
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (1mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Shintomi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Shintomi, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 54min).
Average sunshine days in September
Shintomi, Japan
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Shintomi, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Shintomi, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Shintomi, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
