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Weather in Groningen for September 2025

Your guide to Groningen weather in September - trends and predictions
  • In general, the average temperature in Groningen at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of September.

  • Groningen sees moderate rainfall in September, averaging 8 rainy days.

  • Is September a good time to visit Groningen? check out the best time to travel to Groningen page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/13°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Groningen in September average weather

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Temperatures trend during September in Groningen

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
21° /11° 0 mm 5
2 Sept. Cloudy
Cloudy
23° /13° 4.6 mm 6
3 Sept. Overcast
Overcast
22° /14° 2.6 mm 5
4 Sept. Overcast
Overcast
20° /13° 5.2 mm 5
5 Sept. Sunny
Sunny
27° /15° 0.1 mm 7
6 Sept. Sunny
Sunny
27° /16° 0 mm 7
7 Sept. Sunny
Sunny
26° /15° 0 mm 6
8 Sept. Sunny
Sunny
26° /15° 0.2 mm 6
9 Sept. Overcast
Overcast
23° /15° 0.7 mm 5
10 Sept. Sunny
Sunny
22° /13° 3.9 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
21° /12° 6.3 mm 5
12 Sept. Overcast
Overcast
19° /10° 2.7 mm 4
13 Sept. Cloudy
Cloudy
16° /9° 0.8 mm 4
14 Sept. Partly cloudy
Partly cloudy
18° /8° 0.1 mm 5
15 Sept. Cloudy
Cloudy
21° /9° 0 mm 5
16 Sept. Cloudy
Cloudy
20° /11° 0.2 mm 5
17 Sept. Overcast
Overcast
21° /13° 0 mm 5
18 Sept. Light rain shower
Light rain shower
22° /13° 4.1 mm 6
19 Sept. Patchy rain possible
Patchy rain possible
21° /11° 0.6 mm 5
20 Sept. Overcast
Overcast
22° /13° 0.2 mm 6
21 Sept. Light rain
Light rain
20° /12° 3.5 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
20° /11° 0.9 mm 5
23 Sept. Light rain shower
Light rain shower
17° /11° 3.6 mm 4
24 Sept. Partly cloudy
Partly cloudy
18° /9° 1 mm 5
25 Sept. Overcast
Overcast
17° /11° 2.5 mm 4
26 Sept. Partly cloudy
Partly cloudy
18° /12° 7.6 mm 5
27 Sept. Partly cloudy
Partly cloudy
18° /11° 7.6 mm 5
28 Sept. Patchy rain possible
Patchy rain possible
16° /10° 1 mm 4
29 Sept. Light rain shower
Light rain shower
18° /8° 1.1 mm 4
30 Sept. Patchy rain possible
Patchy rain possible
16° /9° 6.4 mm 4
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Important Notice
Our weather forecast for Groningen in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Groningen forecast closer to your planned date for the most up-to-date weather information.

Guide for Groningen in September

In Groningen, Netherlands, September marks the transition from summer to autumn, bringing about noticeable changes in the weather. At the beginning of the month, the weather in Groningen is generally mild and pleasant, with average temperatures around 16°.

The early days of September often see lingering warmth from the summer months, making it an ideal time to explore the city and its surrounding areas.

As the month progresses, the weather gradually begins to cool down, with temperatures dropping to around 13° by the end of September. Additionally, the city experiences an increase in rainfall towards the latter part of the month, as autumn sets in.

Visitors can expect occasional showers and overcast skies as the month comes to a close.

Overall, September in Groningen offers a mix of comfortable temperatures and changing weather patterns, making it a great time to experience the city's cultural attractions and outdoor activities.

Whether strolling along the canals or visiting historic sites, travelers should be prepared for varying weather conditions and dress accordingly.

Groningen in September - FAQ

Is September a good time to visit Groningen?
Yes, September is a good time to traveling to Groningen, read more about the best time to visit Groningen.
What are the expected maximum and minimum temperatures in Groningen during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Groningen during September?
In September, Groningen can expect light to moderate rainfall, totaling 27.5 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Groningen during September?
The average wind speed in Groningen during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Groningen in September?

As you prepare for your trip to Groningen in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Groningen, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days
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Location coordinates Where is Groningen?

Get accurate weather forecasts for Groningen, located at latitude 53.219 and longitude 6.567. Stay updated with localized weather information tailored for Groningen.

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