Cai Be Weather in September
In Cai Be, September brings very high daytime temperatures around 32°C (90°F), with nights cooling to 25°C (77°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Cai Be in September
Cai Be is in the rainy season in September, with rain on around 20 days and an average of 298 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Cai Be in September
Temperatures in Cai Be in September top out at 32°C (90°F) and drop to 25°C (77°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Cai Be in September
The city usually sees around 165 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).September in Cai Be has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Cai Be's climate page.
Cai Be Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
65%
Precipitation
298 mm (12 in)
Rainy days
20 days
Humidity
87% *
Sunshine
165 hours *
Percentage Sunshine
*
Historical weather for Cai Be in September
Browse day-by-day weather records for Cai Be spanning 49 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cai Be historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Cai Be.
- Cai Be recorded its highest September temperature of 35°C (95°F) on September 7, 2017.
- Cai Be experienced its chilliest September day on September 7, 2009, reaching only 26°C (79°F).
- The coldest night in September in Cai Be was on September 30, 2023, with a minimum of 22°C (72°F).
- Peak precipitation in September occurred on September 21, 2007, when 48 mm (1.9 in) of precipitation was measured.
Best Places in Vietnam in September
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in September →
perfect weather
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What to Wear in Cai Be in September
Warm but pleasant conditions in Cai Be in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cai Be in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Cai Be's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cai Be climate overview or explore weather in Vietnam.
