Erm Weather in September

Erm in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 11°C (52°F). Rainfall is fairly high at around 75 mm (3 in) on average, so pack waterproofs just in case.

Rainfall in Erm in September

Looking at the last 30 years, the data shows about 16 days with rain, averaging 75 mm (3 in) 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 Erm in September

September is a good time to be in Erm. Days are perfect, reaching 20°C (68°F), with nights around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°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 Erm in September

You can expect a moderate amount of sunlight, with approximately 127 hours. This means a pleasant mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
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For a detailed overview over the year and the best time to visit the Netherlands, check out our Erm's climate page.

Erm Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 53%  

Precipitation 75 mm (3 in)  

Rainy days 16 days  

Humidity 85% *  

Sunshine 127 hours *  

Percentage Sunshine 33% *  

* Data from: Assen, the Netherlands (31 KM, 19 Miles).

What to Wear in Erm in September

For Erm 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Erm 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

8/10

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 Erm's climate page.

More climate data for Erm

Temperature Rainfall Sunshine Humidity

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