Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The advent of September brings a slight shift in average high-temperature, moving from a hot 31.3°C (88.3°F) in August to a warm 26.7°C (80.1°F). Throughout September, an average low-temperature of 19.2°C (66.6°F) is expected.Humidity
In Settsu, the average relative humidity in September is 78%.Rainfall
In Settsu, in September, it is raining for 15.1 days, with typically 64mm (2.52") of accumulated precipitation. In Settsu, during the entire year, the rain falls for 185.2 days and collects up to 629mm (24.76") of precipitation.Snowfall
In Settsu, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 05:30 and sunset at 18:24. On the last day of September, in Settsu, sunrise is at 05:51 and sunset at 17:43 JST.
Sunshine
In Settsu, Japan, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 5 translates into these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Settsu?
What is the average humidity in September in Settsu?
How much does it rain in Settsu in September?
When it does not snow in Settsu?
How many hours of daylight does Settsu have in September?
When are sunrise and sunset in September in Settsu?
How long on average sun shines in September in Settsu?
What is the UV index reading in September in Settsu?
Average temperature in September
Settsu, Japan
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Settsu, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in September
Settsu, Japan
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is January (9.2km/h).
The calmest month (with the lowest average wind speed) is June (7.2km/h).
Average humidity in September
Settsu, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Settsu, Japan
- Average rainfall in September: 64mm
The wettest month (with the highest rainfall) is July (121mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Settsu, Japan
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is May (11.8 days).
Average snowfall in September
Settsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Settsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Settsu, Japan
- Average daylight in September: 12h and 2min
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: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Settsu, Japan
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in September
Settsu, 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, February and December (UV index 2).
Average cloud cover in September
Settsu, Japan
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Settsu, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
Settsu, Japan
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