September weather forecastNawa, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Nawa, Japan, with an average temperature varying between 24.7°C (76.5°F) and 19.2°C (66.6°F).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from 29°C (84.2°F) in August to a still moderately hot 24.7°C (76.5°F). During September, the average low-temperature is an enjoyable 19.2°C (66.6°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Nawa, in September, it is raining for 17.4 days, with typically 138mm (5.43") of accumulated precipitation. In Nawa, during the entire year, the rain falls for 186.5 days and collects up to 1033mm (40.67") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 05:38 and sunset at 18:33. On the last day of the month, sunrise is at 06:00 and sunset at 17:51 JST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Nawa, 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 exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nawa, Japan
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (23.1°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in September
Nawa, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1020.5mbar).
The months with the lowest atmospheric pressure are June and July (1008.3mbar).
Average wind speed in September
Nawa, Japan
- Average wind speed in September: 10.3km/h
The windiest months (with the highest average wind speed) are January and December (15.5km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in September
Nawa, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in September
Nawa, Japan
- Average rainfall in September: 138mm
The wettest month (with the highest rainfall) is July (176mm).
The driest month (with the least rainfall) is February (38mm).
Average rainfall days in September
Nawa, Japan
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Nawa, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Nawa, 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 May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Nawa, 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 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Nawa, Japan
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (17.1 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Nawa, 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
Nawa, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 34).
Average visibility in September
Nawa, Japan
- Average visibility in September: 9km
The months with the highest visibility are March, October and November (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, September and December (9km).
