September weather forecast
Yichang, China

September marks the phase where summer begins to yield to the oncoming autumn, as the average daytime temperature descends to 27.8°C (82°F). Although rainfall continues to be a dominant trait of the Yichang weather, the showers become progressively less steadier. The fall foliage begins to add its hues to the city's landscape, setting Yichang aglow in mesmerising autumn colours. While the days retain their summer warmth, the nights become nippier, signaling a seasonal change. September straddles the boundary between the ebullient summer heat and the more subdued autumn chill.

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 32.2°C (90°F) in August to a moderately hot 27.8°C (82°F). During September, the nighttime temperature in Yichang averages of 19.8°C (67.6°F).

Heat index

September's heat index is evaluated at a hot 31°C (87.8°F). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In September, the rain falls for 11.4 days. Throughout September, 123mm (4.84") of precipitation is accumulated. Throughout the year, in Yichang, there are 135.4 rainfall days, and 1138mm (44.8") of precipitation is accumulated.

Daylight

In Yichang, China, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 06:11 and sunset at 18:58. On the last day of September, in Yichang, sunrise is at 06:27 and sunset at 18:21 CST.

Sunshine

The average sunshine in September in Yichang is 4.8h.

UV index

In Yichang, the average daily maximum UV index in September is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 9 in September translates into the following recommendations:
Be vigilant. Without due care, eyes and skin can be harmed in no time. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. For optimal sun protection, use sunscreen of no less than 30 SPF. This not only prevents sunburn but also reduces radiation damage.