Jalhay Weather in September

September in Jalhay brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 83 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Jalhay in September

You can expect rain on around 17 days based on historical patterns, with 83 mm (3.3 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Jalhay in September

Expect highs of 19°C (66°F) in Jalhay in September, with nights dropping to around 10°C (50°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Jalhay in September

The month experiences a moderate amount of sunlight, with 160 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Jalhay in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Jalhay Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 57%  

Precipitation 83 mm (3.3 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).

What to Wear in Jalhay 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Jalhay 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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Jalhay

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Jalhay climate overview or explore weather in Belgium.