Sønderho Weather in September

Sønderho in September sees moderate daytime temperatures of 18°C (64°F) and nighttime lows of 13°C (55°F). Rainfall is fairly high this month at around 110 mm (4.3 in), so pack a rain jacket to stay dry.

Rainfall in Sønderho in September

Typically, you can expect about 16 days of rain this month, with 110 mm (4.3 in) on average. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Sønderho in September

Daytime temperatures in Sønderho reach 18°C (64°F) in September, dropping to 13°C (55°F) at night. September marks the summer season. Conditions are often most pleasant around the middle of the day. With lows of 13°C (55°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 Sønderho in September

The month experiences a moderate amount of sunlight, with 166 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Sønderho in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in September

The water is 15°C (59°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Sønderho.

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• February
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• May
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• October
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• December

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

Sønderho Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 54%  

Precipitation 110 mm (4.3 in)  

Rainy days 16 days  

Humidity 83% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 166 hours *  

Percentage Sunshine 43% *  

* Data from: Esbjerg, Denmark (19 KM, 11 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sønderho typically drop from around 18°C (64°F) at the start of September to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).

Average temperatures in September

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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

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Historical weather for Sønderho in September

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

Historical weather Temperatures Precipitation

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Sønderho historical weather extremes in September

Based on weather observations in Sønderho between 1976 and 2025, these are the recorded extremes during September.

• On September 13, 2016, temperatures climbed to 29°C (84°F), marking the warmest September day on record.
• On September 29, 1978, Sønderho saw its coldest September day with temperatures maxing out at 10°C (50°F).
• The lowest overnight temperature recorded in September was -1°C (30°F) (September 29, 1987).

What to Wear in Sønderho in September

For Sønderho 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 15°C (59°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sønderho in September

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

Swimming

6/10

Cycling

5/10

Walking

5/10

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 Denmark, check out our Sønderho's climate page.

More climate data for Sønderho

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Sønderho climate overview or explore weather in Denmark.