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
The onset of September marks an average high-temperature of a comfortable 19.8°C (67.6°F), hardly differing from August's 21.8°C (71.2°F). September nights witness a mild cool down to an average low of 16.2°C (61.2°F).Humidity
The average relative humidity in September in Utoma is 81%.Rainfall
In September, in Utoma, Japan, the rain falls for 11.8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Utoma, during the entire year, the rain falls for 131.3 days and collects up to 303mm (11.93") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September in Utoma, sunrise is at 04:54 and sunset at 18:02. On the last day of the month, sunrise is at 05:24 and sunset at 17:12 JST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Utoma, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are September temperatures in Utoma?
What is the average humidity in September in Utoma?
How much does it rain in Utoma in September?
When it does not snow in Utoma?
How many hours of daylight does Utoma have in September?
When is the sunrise / sunset in September in Utoma?
How long on average sun shines in September in Utoma?
How high is the UV index in September in Utoma?
Average temperature in September
Utoma, Japan
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is February (-1°C).
- Average low temperature in September: 16.2°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (-5.2°C).
Average pressure in September
Utoma, Japan
- Average pressure in September: 1014mbar
The months with the highest atmospheric pressure are October and November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in September
Utoma, Japan
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in September
Utoma, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in September
Utoma, Japan
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Utoma, Japan
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is June (8.3 days).
Average snowfall in September
Utoma, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Utoma, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Utoma, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in September
Utoma, Japan
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Utoma, Japan
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Utoma, Japan
- Average cloud cover in September: 39
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 34).
Average visibility in September
Utoma, Japan
- Average visibility in September: 10km
The months with the highest visibility are April, September and October (10km).
The months with the lowest visibility are January and December (8km).
Utoma, Japan
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