Tzummarum Weather in September

With daytime temperatures of 19°C (66°F) and nighttime lows of 14°C (57°F), September in Tzummarum brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 101 mm (4 in) falls on average.

Rainfall in Tzummarum in September

This month experiences about 17 days of rain according to historical data, averaging 101 mm (4 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Tzummarum in September

Daytime temperatures in Tzummarum reach 19°C (66°F) in September, dropping to 14°C (57°F) at night. September is a notable month of the summer season. Conditions are often most pleasant around the middle of the day. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Tzummarum in September

The area experiences a moderate amount of sunshine, with approximately 154 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Tzummarum in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

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

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

Tzummarum Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 56%  

Precipitation 101 mm (4 in)  

Rainy days 17 days  

Humidity 86% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 154 hours *  

Percentage Sunshine 41% *  

* Data from: Leeuwaren, the Netherlands (14 KM, 9 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Tzummarum typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°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 Tzummarum in September

Browse day-by-day weather records for Tzummarum 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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Tzummarum historical weather extremes in September

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

• The hottest September day on record in Tzummarum reached 30°C (86°F) (September 13, 2016).
• The lowest daytime temperature in September was 11°C (52°F), recorded on September 28, 1995.
• The lowest overnight temperature recorded in September was 3°C (37°F) (September 13, 1986).
• Peak precipitation in September occurred on September 30, 1993, when 47 mm (1.9 in) of precipitation was measured.

What to Wear in Tzummarum in September

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

What To Do in Tzummarum 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 Tzummarum's climate page.

More climate data for Tzummarum

Temperature Rainfall Sunshine Humidity Wind Speed

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