September weather forecastHimeji, Japan
September weather for Himeji, Japan: September, the first month of the autumn in Himeji, is also a moderately hot month, with an average temperature varying between 19.4°C (66.9°F) and 25.7°C (78.3°F). On the first day of September in Himeji, sunrise is at 05:34 and sunset at 18:28.
September
Weather in September
September, the first month of the autumn in Himeji, is also a moderately hot month, with an average temperature varying between 19.4°C (66.9°F) and 25.7°C (78.3°F).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 29.6°C (85.3°F) to a still warm 25.7°C (78.3°F). September generally records an average low-temperature of 19.4°C (66.9°F).Humidity
In September, the average relative humidity in Himeji is 80%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 65mm (2.56") of precipitation is accumulated. In Himeji, during the entire year, the rain falls for 152.5 days and collects up to 495mm (19.49") of precipitation.Snowfall
In Himeji, snow does not fall in April through November.Sea temperature
In September, the average sea temperature is 26.2°C (79.2°F).Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.
Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Himeji, sunrise is at 05:34 and sunset at 18:28. On the last day of the month, sunrise is at 05:55 and sunset at 17:47 JST.
Sunshine
The average sunshine in September in Himeji, Japan, is 9.1h.UV index
In September, the average daily maximum UV index in Himeji, Japan, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Himeji, Japan
- Average high temperature in September: 25.7°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 (7.1°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in September
Himeji, Japan
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is February (1020.2mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed in September
Himeji, Japan
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is January (13.8km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in September
Himeji, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in September
Himeji, Japan
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is July (98mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Himeji, Japan
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Himeji, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Himeji, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Himeji, Japan
- Average sea temperature in September: 26.2°C
The best month for swimming (with the highest average sea temperature) is August (27.5°C).
The coldest month (with the lowest average sea temperature) is March (13.9°C).
Average daylight in September /
Average sunshine in September
Himeji, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Himeji, Japan
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (19.9 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Himeji, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Himeji, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are August and November (Cloud cover 33).
Average visibility in September
Himeji, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (9km).
