September weather forecastHagi, Japan
September
Weather in September
September, the first month of the autumn in Hagi, is still a warm month, with an average temperature varying between 25.5°C (77.9°F) and 20°C (68°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from 29.3°C (84.7°F) in August to a still moderately hot 25.5°C (77.9°F). Throughout September nights, Hagi registers an average low-temperature of 20°C (68°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Hagi, during September, the rain falls for 13.1 days and regularly aggregates up to 61mm (2.4") of precipitation. Throughout the year, there are 160.1 rainfall days, and 806mm (31.73") of precipitation is accumulated.Snowfall
In Hagi, snow does not fall in April through October.Sea temperature
In Hagi, Japan, the average seawater temperature in September is 26°C (78.8°F).Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.
Daylight
In Hagi, the average length of the day in September is 12h and 24min.On the first day of September in Hagi, Japan, sunrise is at 05:47 and sunset at 18:40. On the last day of the month, sunrise is at 06:08 and sunset at 18:00 JST.
Sunshine
In Hagi, the average sunshine in September is 8.7h.UV index
In Hagi, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! Sand and water increase UV exposure due to their reflective properties.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hagi, Japan
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).
Average pressure in September
Hagi, Japan
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in September
Hagi, Japan
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is June (8.7km/h).
Average humidity in September
Hagi, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (72%).
Average rainfall in September
Hagi, Japan
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is July (150mm).
The driest month (with the least rainfall) is November (35mm).
Average rainfall days in September
Hagi, Japan
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is May (10.3 days).
Average snowfall in September
Hagi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hagi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Hagi, Japan
- Average sea temperature in September: 26°C
The best month for swimming (with the highest average sea temperature) is August (27°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).
Average daylight in September /
Average sunshine in September
Hagi, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Hagi, Japan
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is May (19.5 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Hagi, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Hagi, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Hagi, Japan
- Average visibility in September: 9km
The months with the highest visibility are February, March, October and November (10km).
The month with the lowest visibility is July (8km).
