September weather forecastSeba, Japan
September
Weather in September
September, the first month of the autumn in Seba, is also an agreeable month, with an average temperature varying between 11.6°C (52.9°F) and 22.5°C (72.5°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 27.3°C (81.1°F) to a pleasant 22.5°C (72.5°F). An average low-temperature of 11.6°C (52.9°F) is noted during the nights in September.Humidity
In September, the average relative humidity is 82%.Rainfall
In September, the rain falls for 16.3 days. Throughout September, 68mm (2.68") of precipitation is accumulated. In Seba, during the entire year, the rain falls for 174.6 days and collects up to 944mm (37.17") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Seba is 12h and 25min.On the first day of September in Seba, sunrise is at 05:20 and sunset at 18:16. On the last day of the month, sunrise is at 05:42 and sunset at 17:33 JST.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Seba, Japan, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Seba, Japan
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Seba, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Seba, Japan
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Seba, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Seba, Japan
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is July (160mm).
The driest month (with the least rainfall) is November (43mm).
Average rainfall days in September
Seba, Japan
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Seba, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (287mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Seba, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Seba, 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 48min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is May (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Seba, Japan
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Seba, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Seba, Japan
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in September
Seba, Japan
- Average visibility in September: 7km
The months with the highest visibility are March, April and May (9km).
The months with the lowest visibility are July, August and September (7km).





