Weather in September
Temperature
Hiraizumi's average high-temperature decreases in September, falling from a moderately hot 28°C (82.4°F) in August to a still warm 23°C (73.4°F). Hiraizumi, during the month of September, experiences an average low-temperature of 15°C (59°F).Rainfall
In September, the rain falls for 19 days. Throughout September, 168mm (6.61") of precipitation is accumulated. Throughout the year, in Hiraizumi, there are 239 rainfall days, and 1304mm (51.34") of precipitation is accumulated.Daylight
In Hiraizumi, Japan, the average length of the day in September is 12h and 28min.On the first day of September in Hiraizumi, sunrise is at 05:04 and sunset at 18:06. On the last day of the month, sunrise is at 05:30 and sunset at 17:20 JST.
Sunshine
January, September, November and December, with an average of 4h of sunshine, are months with the least sunshine.UV index
In Hiraizumi, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What is the usual temperature for Hiraizumi in September?
How many days does it rain in September in Hiraizumi?
What is the average length of the day in September in Hiraizumi?
When are sunrise and sunset in September in Hiraizumi?
What is the month with the least sunshine in Hiraizumi?
How long on average sun shines in September in Hiraizumi?
What is the UV index reading in September in Hiraizumi?
Average temperature in September
Hiraizumi, Japan
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (28°C).
The months with the lowest average high temperature are January and February (3°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is August (20°C).
The coldest months (with the lowest average low temperature) are January and February (-4°C).
Average rainfall in September
Hiraizumi, Japan
- Average rainfall in September: 168mm
The wettest month (with the highest rainfall) is August (169mm).
The driest month (with the least rainfall) is January (58mm).
Average rainfall days in September
Hiraizumi, Japan
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is January (25 days).
The months with the least rainy days are April and May (17 days).
Average daylight in September /
Average sunshine in September
Hiraizumi, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 4h
The month with the most sunshine is May (Average sunshine: 7h).
The months with the least sunshine are January, September, November and December (Average sunshine: 4h).
Average UV index in September
Hiraizumi, Japan
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January, November and December (UV index 2).
Hiraizumi, Japan
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