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
As Tomari enters September, the average high-temperature subtly lowers from the a moderately hot 23.3°C (73.9°F) of August to an enjoyable 19.6°C (67.3°F). During the month of September, the temperature generally drops to a low average of 12.3°C (54.1°F).Humidity
The average relative humidity in September in Tomari is 84%.Rainfall
In Tomari, in September, during 17.9 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Tomari, during the entire year, the rain falls for 157.1 days and collects up to 887mm (34.92") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Tomari is 12h and 31min.On the first day of the month, sunrise is at 05:02 and sunset at 18:13. On the last day of September, sunrise is at 05:34 and sunset at 17:21 JST.
Sunshine
In September, the average sunshine in Tomari is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the temperature in September in Tomari?
What is the average humidity in September in Tomari?
How many days does it rain in September in Tomari?
When it does not snow in Tomari?
Does it snow in Tomari in September?
What is the average length of the day in September in Tomari?
When are sunrise and sunset in September in Tomari?
How long on average sun shines in September in Tomari?
How high is the UV index in September in Tomari?
Average temperature in September
Tomari, Japan
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).
Average pressure in September
Tomari, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008.4mbar).
Average wind speed in September
Tomari, Japan
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in September
Tomari, Japan
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Tomari, Japan
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in September
Tomari, Japan
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Tomari, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (598mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tomari, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tomari, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are May and August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in September
Tomari, Japan
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is January (2.7 days).
Average UV index in September
Tomari, Japan
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Tomari, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 43).
Average visibility in September
Tomari, Japan
- Average visibility in September: 8km
The months with the highest visibility are April, May and October (9km).
The months with the lowest visibility are January, February, July, August and December (7km).
Tomari, Japan
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