Chongming Weather in September
Chongming in September
The short of it: Chongming in September averages a high of 27 °C (80 °F) and a low of 21 °C (70 °F), with 98 mm (3.9 in) of rain and about 12 h 19 min of daylight. Rated 3 of 5 for a visit; the best months are October and April. Source: TerraClimate climate normals, 1991–2020.
Average high 27° · low 21° · rain 98 mm · daylight 12 h 19 min
✦✦✦ Fair for a visit · best months: October & April
Thirty years of records give Chongming an average September high of 27°, a low of 21° and some 98 mm of rain. Much like August: highs about 27°, nights near 21°. Easy travelling weather. Wet spells are common — about 98 mm, the 4th wettest month.
The sun is up for about 12 h 19 min in mid-September, 59 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are October and April.
Against its neighbours, Chongming runs cooler than most and wetter than most in September. Huilong, 22 km to the N, sees much the same highs.
September in Chongming, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 4° colder, 46 mm less rain
- Versus October
- 4° warmer
- Day–night spread
- 6°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 19 min
- Average wind
- 15 km/h