September weather forecastIwamurada, Japan
September weather for Iwamurada, Japan: The first month of the autumn, September, is also an agreeable month in Iwamurada, Japan, with an average temperature ranging between max 21.5°C (70.7°F) and min 12°C (53.6°F). On the first day of September in Iwamurada, Japan, sunrise is at 05:17 and sunset at 18:14.
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Iwamurada, Japan, with an average temperature ranging between max 21.5°C (70.7°F) and min 12°C (53.6°F).Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 26.1°C (79°F) in August to an agreeable 21.5°C (70.7°F). In Iwamurada, September's nights observe an average temperature dip to a cool 12°C (53.6°F).Humidity
July and September, with an average relative humidity of 86%, are the most humid months in Iwamurada.Rainfall
In Iwamurada, in September, during 15.5 rainfall days, 89mm (3.5") of precipitation is typically accumulated. In Iwamurada, during the entire year, the rain falls for 193.2 days and collects up to 926mm (36.46") of precipitation.Snowfall
In Iwamurada, Japan, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:17 and sunset at 18:14. On the last day of September, in Iwamurada, sunrise is at 05:40 and sunset at 17:31 JST.
Sunshine
In September, the average sunshine in Iwamurada is 6.6h.UV index
The average daily maximum UV index in September in Iwamurada, Japan, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Iwamurada, Japan
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in September
Iwamurada, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Iwamurada, Japan
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in September
Iwamurada, Japan
- Average humidity in September: 86%
The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Iwamurada, Japan
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is October (137mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in September
Iwamurada, Japan
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (13.3 days).
Average snowfall in September
Iwamurada, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (276mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Iwamurada, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Iwamurada, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Iwamurada, Japan
- Average sunshine days in September: 13 days
The month with the most sunshine days is July (14.9 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in September
Iwamurada, Japan
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Iwamurada, Japan
- Average cloud cover in September: 62
The month with the most cloud cover is September (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Iwamurada, Japan
- Average visibility in September: 6km
The months with the highest visibility are January, March, April, May and December (8km).
The months with the lowest visibility are July, August, September and October (6km).
