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
September in Suzhou, China, sees a slight reduction in average high-temperature, with a shift from a hot 31.9°C (89.4°F) in August to a warm 27.4°C (81.3°F). In September, Suzhou reports a consistent average low-temperature of 20.3°C (68.5°F) during the nights.Heat index
September's mean heat index is calculated to be a tropical 31°C (87.8°F). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
July and September, with an average relative humidity of 81%, are the most humid months in Suzhou.Rainfall
In Suzhou, in September, during 17.8 rainfall days, 68mm (2.68") of precipitation is typically accumulated. Throughout the year, in Suzhou, there are 166.5 rainfall days, and 811mm (31.93") of precipitation is accumulated.Snowfall
In Suzhou, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Suzhou, sunrise is at 05:33 and sunset at 18:21. On the last day of the month, sunrise is at 05:50 and sunset at 17:44 CST.
Sunshine
In September, the average sunshine in Suzhou is 7.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Suzhou?
What is the most humid month in Suzhou?
What is the average humidity in September in Suzhou?
How many days does it rain in September in Suzhou?
When it does not snow in Suzhou?
How many hours of daylight does Suzhou have in September?
What time are sunrise and sunset in September in Suzhou?
How many hours of sunshine does Suzhou have in September?
What is the UV index intensity in September in Suzhou?
Average temperature in September
Suzhou, China
- Average high temperature in September: 27.4°C
The warmest month (with the highest average high temperature) is August (31.9°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 20.3°C
The months with the highest average low temperature are July and August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Suzhou, China
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is January (1027.3mbar).
The month with the lowest atmospheric pressure is July (1004.8mbar).
Average wind speed in September
Suzhou, China
- Average wind speed in September: 10.5km/h
The windiest months (with the highest average wind speed) are February and December (12.7km/h).
The calmest months (with the lowest average wind speed) are July and September (10.5km/h).
Average humidity in September
Suzhou, China
- Average humidity in September: 81%
The months with the highest relative humidity are July and September (81%).
The month with the lowest relative humidity is December (65%).
Average rainfall in September
Suzhou, China
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is October (25mm).
Average rainfall days in September
Suzhou, China
- Average rainfall days in September: 17.8 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is December (8.5 days).
Average snowfall in September
Suzhou, China
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Suzhou, China
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Suzhou, China
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Suzhou, China
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in September
Suzhou, China
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Suzhou, China
- Average cloud cover in September: 48
The month with the most cloud cover is June (Cloud cover 50).
The month with the least cloud cover is December (Cloud cover 34).
Average visibility in September
Suzhou, China
- Average visibility in September: 8km
The months with the highest visibility are October and December (10km).
The month with the lowest visibility is September (8km).
Suzhou, China
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