Hefei Weather in September
September in Hefei sees daytime temperatures around 29°C (84°F) and lows of 21°C (70°F) at night. With around 86 mm (3.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Hefei in September
You can expect rain on roughly 11 days based on historical data, averaging 86 mm (3.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Hefei in September
Hefei has perfect weather in September, with days reaching 29°C (84°F) and nights cooling to 21°C (70°F). This kind of day-to-night contrast is typical for this time of year. Nights are mild at around 21°C (70°F), which is comfortable for most people.
Sunshine in Hefei in September
The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and cloudy days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Hefei's climate page.
Hefei Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
37%
Precipitation
86 mm (3.4 in)
Rainy days
11 days
Humidity
77%
Sunshine
155 hours
Percentage Sunshine
44%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hefei typically drop from around 29°C (84°F) at the start of September to approximately 25°C (77°F) by the end. Nights are warm, with lows typically ranging from 17°C (63°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Hefei in September
Browse day-by-day weather records for Hefei spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hefei historical weather extremes in September
The extremes listed below come from historical weather data collected in Hefei from 1976 through 2025.
- The hottest September day on record in Hefei reached 41°C (106°F) (September 1, 1980).
- The coldest night in September in Hefei was on September 14, 1989, with a minimum of 11°C (52°F).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hefei in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Hefei 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 China, check out our Hefei's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hefei climate overview or explore weather in China.
