Francorchamps
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Francorchamps Weather in September

September in Francorchamps averages 18°C (64°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 86 mm (3.4 in) on average. An umbrella is a good idea.

Rainfall in Francorchamps in September

Typically around 17 days of rainfall are expected, averaging 86 mm (3.4 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Francorchamps in September

In September, expect pleasant temperatures in Francorchamps, with highs of 18°C (64°F) and lows of 10°C (50°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Francorchamps in September

The month brings about 160 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Francorchamps in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Francorchamps.

Francorchamps Temperature in September

Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Chance of Rain
58%
Precipitation
86 mm (3.4 in)
Rainy days
17 days
Humidity
88% *
Windspeed
4 m/s (8 knots) *
Sunshine
160 hours *
Percentage Sunshine
*
* Data from: Botrange, Belgium (11 KM, 7 Miles).

Francorchamps Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Francorchamps - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Francorchamps typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°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 records for Francorchamps in September

Browse day-by-day weather records for Francorchamps spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Francorchamps historical weather extremes in September

According to our 50 years of weather records for Francorchamps, the following extremes were recorded between 1976 and 2026.

  • The warmest day in September was on September 15, 2020, with a maximum of 30°C (86°F).
  • Francorchamps experienced its chilliest September day on September 25, 2025, reaching only 7°C (45°F).
  • Francorchamps registered its coldest September night on September 28, 1987, with temperatures dropping to -1°C (30°F).

Best Places in Belgium in September

Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Francorchamps in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Francorchamps in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    4/10
  • Outdoor sports
    9/10

Francorchamps 3-Day Forecast

More climate data for Francorchamps

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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