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Genk Weather in September

September in Genk brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 68 mm (2.7 in), so keep a rain jacket handy.

Rainfall in Genk in September

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 68 mm (2.7 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Genk in September

September in Genk is generally perfect, with days reaching 21°C (70°F) and nights settling around 11°C (52°F). Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Genk in September

The city usually sees around 159 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Genk in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Genk.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Belgium, check out our Genk's climate page.

Genk Temperature in September

Min TemperatureMin Temperature 11°C (52°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 51%  
PrecipitationPrecipitation 68 mm (2.7 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 80% *  
WindspeedWindspeed 4 m/s (8 knots) *  
SunshineSunshine 159 hours *  
Percentage SunshinePercentage Sunshine 41% *  
* Data from: Maastricht, the Netherlands (20 KM, 12 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Genk typically stay consistent throughout September, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°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 Genk in September

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

Genk historical weather extremes in September

Based on 49 years of weather observations in Genk between 1976 and 2025, these are the recorded extremes.

  • The warmest day in September was on September 15, 2020, with a maximum of 34°C (93°F).
  • On September 17, 1986, Genk saw its coldest September day with temperatures maxing out at 10°C (50°F).
  • Genk registered its coldest September night on September 30, 2018, with temperatures dropping to 0°C (32°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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Genk in September

For Genk in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Genk in September

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

Swimming
6/10
Cycling
10/10
Walking
10/10
Camping
8/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Belgium, check out our Genk's climate page.

More climate data for Genk