Richmond Weather in September
Thinking of visiting Richmond in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 16°C (61°F) at night, and be prepared for the wettest month of the year.
Rainfall in Richmond in September
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. Typically around 9 days of rainfall are expected, averaging 121 mm (4.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Richmond in September
Expect highs of 27°C (81°F) in Richmond in September, with nights dropping to around 16°C (61°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Richmond in September
Enjoy a sunny month with about 238 hours of sunshine, the clear skies make Richmond even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April and October typically offer the best weather for Richmond.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Richmond's climate page.
Richmond Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
27°C (81°F)
Chance of Rain
30%
Precipitation
121 mm (4.8 in)
Rainy days
9 days
Humidity
77%
Sunshine
238 hours
Percentage Sunshine
64%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Richmond typically drop from around 29°C (84°F) at the start of September to approximately 25°C (77°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 19°C (66°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 Richmond in September
Browse day-by-day weather records for Richmond spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Richmond historical weather extremes in September
Based on 49 years of weather observations in Richmond between 1976 and 2025, these are the recorded extremes.
- On September 1, 1993, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
- The coldest night in September in Richmond was on September 23, 1983, with a minimum of 3°C (37°F).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
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What to Wear in Richmond in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Richmond 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 the United States of America, check out our Richmond's climate page.
Temperature Rainfall Sunshine Humidity
See the full Richmond climate overview or explore weather in the United States of America.
