Formerum Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of 15°C (59°F), September in Formerum brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 109 mm (4.3 in) falls on average.

Rainfall in Formerum in September

This month experiences about 17 days of rain according to historical data, averaging 109 mm (4.3 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Formerum in September

September in Formerum brings pleasant temperatures, with highs of 18°C (64°F) and nights around 15°C (59°F). During September, the summer season is in full swing. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Formerum in September

The city usually sees around 154 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm, 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 the Netherlands, check out our Formerum's climate page.

Formerum Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 56%  

Precipitation 109 mm (4.3 in)  

Rainy days 17 days  

Humidity 86% *  

Sunshine 154 hours *  

Percentage Sunshine 41% *  

* Data from: Leeuwaren, the Netherlands (36 KM, 22 Miles).

What to Wear in Formerum 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Formerum 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

6/10

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 the Netherlands, check out our Formerum's climate page.

More climate data for Formerum

Temperature Rainfall Sunshine Humidity

See the full Formerum climate overview or explore weather in the Netherlands.