Nanyang weather in September
In September, Nanyang has an average high of 28 °C82 °F and an average low of 17 °C63 °F, with about 92 mm3.6 in of precipitation. It is the 5th warmest month of the year and ranks 4th for precipitation.
How September compares with other months
Compared with August, September is 4.8 °C8.6 °F cooler on average and drier by 41 mm1.6 in. Compared with October, September is 5.7 °C10.2 °F warmer on average and wetter by 35 mm1.4 in. Daylight lasts about 12.3 hours around the middle of the month. Average relative humidity is 71% and the average cloud amount 69%.
Is September a good time to visit Nanyang?
Yes — September is one of the most comfortable months to visit Nanyang by our comfort score, which favours average highs of 21–28 °C, lows above 5 °C, little rain and moderate humidity.
What to wear in September
For Nanyang in September, pack light summer clothes such as T-shirts, shorts or light dresses, an extra layer for the cooler mornings and evenings and an umbrella or light rain jacket.
September in nearby places
Other months in Nanyang
- January7 °C44 °F / −3 °C26 °F
- February11 °C51 °F / −1 °C31 °F
- March17 °C63 °F / 4 °C39 °F
- April24 °C75 °F / 10 °C50 °F
- May29 °C85 °F / 16 °C60 °F
- June33 °C91 °F / 21 °C69 °F
- July33 °C92 °F / 23 °C74 °F
- August32 °C90 °F / 22 °C72 °F
- September28 °C82 °F / 17 °C63 °F
- October22 °C72 °F / 11 °C52 °F
- November15 °C59 °F / 4 °C39 °F
- December9 °C47 °F / −2 °C29 °F
Frequently asked questions
How warm is Nanyang in September?
In September the average high in Nanyang is 28 °C (82 °F) and the average low is 17 °C (63 °F).
Does it rain a lot in Nanyang in September?
On average about 92 mm (3.6 in) of precipitation falls in September; it ranks 4th of the 12 months.
Is September the warmest month in Nanyang?
No. The warmest month in Nanyang is July, with an average high of 33 °C (92 °F). The coldest month is January, with an average low of -3 °C (26 °F).
How long is the day in Nanyang in September?
In the middle of September the day in Nanyang lasts about 12.3 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Nanyang in September?
The average relative humidity in September is about 71%. Combined with warm days, it can feel muggy.
How cloudy is Nanyang in September?
On average about 69% of the sky is covered by cloud in September. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 190 m, while Nanyang lies at about 126 m. Temperatures on this page were therefore adjusted by +0.4 °C0.8 °F using the standard lapse rate of 6.5 °C per 1,000 m.