Climate averages 1991–2020
Longquan weather
in September.
A warm, wet month: the 6th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Longquan: daytime highs average 24.3°C and nights cool to about 17.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 129 mm of rain on roughly 19 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Anning (43 km away). In September its highs average 22.4°C, 1.8°C cooler than Longquan, with 152 mm of rain.
Among the 884 cities listed in China, Longquan ranks joint 628th of 884 for the warmest September highs and joint 696th of 884 for the driest September (rainfall, lowest first). The mean September high of those 884 cities is 25.7°C; Longquan is 1.4°C cooler than that mean.
From September to October, average highs fall by 2.2°C to 22.1°C, and monthly rainfall falls from 129 mm to 74 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Longquan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.4°C7.1°C | 7.1°C | 23 | 3.7 | 10.811 h |
| February | 20.3°C9.1°C | 9.1°C | 16 | 3.3 | 11.311 h |
| March | 24.2°C12.4°C | 12.4°C | 22 | 4.5 | 12.012 h |
| April | 26.8°C15.1°C | 15.1°C | 36 | 6.3 | 12.713 h |
| May | 27.3°C17.1°C | 17.1°C | 89 | 11.7 | 13.313 h |
| June | 26.6°C18.7°C | 18.7°C | 168 | 19.5 | 13.614 h |
| July | 25.6°C18.7°C | 18.7°C | 220 | 24.9 | 13.514 h |
| August | 25.6°C18.3°C | 18.3°C | 202 | 23.7 | 13.013 h |
| September, selected | 24.3°C17.0°C | 17.0°C | 129 | 19.0 | 12.312 h |
| October | 22.1°C14.6°C | 14.6°C | 74 | 13.0 | 11.612 h |
| November | 19.5°C10.5°C | 10.5°C | 25 | 4.3 | 11.011 h |
| December | 17.0°C7.4°C | 7.4°C | 12 | 2.6 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Anning in SeptemberChina · 43 kmHigh 22.4°C · Low 16.0°C · 152 mm rain
- Haikou, China in SeptemberChina · 44 kmHigh 21.6°C · Low 15.9°C · 147 mm rain
- Yuxi in SeptemberChina · 52 kmHigh 23.5°C · Low 16.6°C · 125 mm rain
- Majie in SeptemberChina · 63 kmHigh 22.0°C · Low 15.5°C · 165 mm rain
- Kunming in SeptemberChina · 69 kmHigh 22.0°C · Low 15.3°C · 165 mm rain
- Chuxiong in SeptemberChina · 74 kmHigh 23.0°C · Low 15.9°C · 126 mm rain
- Jianshui in SeptemberChina · 105 kmHigh 22.4°C · Low 15.1°C · 212 mm rain
- Miyang in SeptemberChina · 133 kmHigh 24.4°C · Low 17.3°C · 95 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Longquan) is explained once on the Longquan year overview and on the Sources, method and limits page.