Climate averages 1991–2020
Sông Cầu weather
in September.
A hot, very wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sông Cầu: daytime highs average 31.2°C and nights cool to about 25.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 215 mm of rain on roughly 22 days, which makes September a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Qui Nhon (36 km away). In September its highs average 31.0°C, about as warm as Sông Cầu, with 226 mm of rain.
Among the 136 cities listed in Vietnam, Sông Cầu ranks 3rd of 136 for the warmest September highs and 21st of 136 for the driest September (rainfall, lowest first). The mean September high of those 136 cities is 29.7°C; Sông Cầu is 1.5°C warmer than that mean.
From September to October, average highs fall by 2.8°C to 28.4°C, and monthly rainfall rises from 215 mm to 361 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
Sông Cầu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.2°C21.4°C | 21.4°C | 105 | 16.4 | 11.411 h |
| February | 26.4°C21.7°C | 21.7°C | 53 | 10.6 | 11.712 h |
| March | 28.6°C23.1°C | 23.1°C | 60 | 10.4 | 12.012 h |
| April | 30.7°C24.8°C | 24.8°C | 64 | 10.5 | 12.412 h |
| May | 32.2°C26.2°C | 26.2°C | 147 | 18.2 | 12.713 h |
| June | 32.8°C26.9°C | 26.9°C | 85 | 16.0 | 12.913 h |
| July | 32.9°C26.8°C | 26.8°C | 79 | 14.6 | 12.813 h |
| August | 32.8°C26.6°C | 26.6°C | 98 | 15.4 | 12.613 h |
| September, selected | 31.2°C25.7°C | 25.7°C | 215 | 22.3 | 12.212 h |
| October | 28.4°C24.5°C | 24.5°C | 361 | 26.4 | 11.812 h |
| November | 26.8°C23.6°C | 23.6°C | 410 | 23.8 | 11.512 h |
| December | 25.3°C22.3°C | 22.3°C | 278 | 22.4 | 11.311 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
- Qui Nhon in SeptemberVietnam · 36 kmHigh 31.0°C · Low 25.3°C · 226 mm rain
- Tuy Hòa in SeptemberVietnam · 41 kmHigh 30.4°C · Low 25.8°C · 163 mm rain
- An Nhơn in SeptemberVietnam · 49 kmHigh 31.7°C · Low 24.9°C · 202 mm rain
- An Khê in SeptemberVietnam · 83 kmHigh 28.8°C · Low 22.2°C · 209 mm rain
- Ninh Hòa in SeptemberVietnam · 108 kmHigh 31.5°C · Low 25.3°C · 189 mm rain
- Buôn Hồ in SeptemberVietnam · 115 kmHigh 26.8°C · Low 20.7°C · 297 mm rain
- Nha Trang in SeptemberVietnam · 135 kmHigh 30.3°C · Low 25.3°C · 177 mm rain
- Pleiku in SeptemberVietnam · 145 kmHigh 25.9°C · Low 20.3°C · 389 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 Sông Cầu) is explained once on the Sông Cầu year overview and on the Sources, method and limits page.