South Holland
September
Weather in South Holland for September 2025
Your guide to South Holland weather in September - trends and predictions
In general, the average temperature in South Holland at the beginning of September is 25.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.
South Holland sees moderate rainfall in September, averaging 9 rainy days.
Is September a good time to visit South Holland? check out the best time to travel to South Holland page.
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21
Dry days
9
Rainy days
0
Snow days
23°/14°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
South Holland in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  25° | 3  24° | 4  22° | 5 28° | 6 27° | 7 27° |
| 8 26° | 9  24° | 10 24° | 11 20° | 12 19° | 13 18° | 14 19° |
| 15 22° | 16 22° | 17  22° | 18 22° | 19 21° | 20 22° | 21 22° |
| 22 19° | 23 17° | 24 18° | 25 18° | 26 20° | 27 19° | 28 16° |
| 29 17° | 30 17° |
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Temperatures trend during September in South Holland
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 25° /14° | 2.6 mm | 6 | |
| 2 Sept. | Fog | 25° /17° | 3.3 mm | 6 | |
| 3 Sept. | Partly cloudy | 24° /16° | 0.5 mm | 6 | |
| 4 Sept. | Sunny | 22° /15° | 1.1 mm | 6 | |
| 5 Sept. | Sunny | 28° /14° | 0.5 mm | 7 | |
| 6 Sept. | Sunny | 27° /17° | 4.3 mm | 7 | |
| 7 Sept. | Sunny | 27° /16° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /16° | 2.4 mm | 6 | |
| 9 Sept. | Cloudy | 24° /17° | 1.7 mm | 5 | |
| 10 Sept. | Sunny | 24° /16° | 3.7 mm | 6 | |
| 11 Sept. | Patchy rain possible | 20° /14° | 6.5 mm | 5 | |
| 12 Sept. | Partly cloudy | 19° /12° | 10.6 mm | 5 | |
| 13 Sept. | Cloudy | 18° /10° | 2 mm | 5 | |
| 14 Sept. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 15 Sept. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 22° /13° | 0.5 mm | 5 | |
| 17 Sept. | Overcast | 22° /14° | 0 mm | 5 | |
| 18 Sept. | Light rain shower | 22° /15° | 4.8 mm | 6 | |
| 19 Sept. | Patchy rain possible | 21° /14° | 1.7 mm | 5 | |
| 20 Sept. | Patchy rain possible | 22° /13° | 0.2 mm | 6 | |
| 21 Sept. | Light rain shower | 22° /13° | 7.3 mm | 6 | |
| 22 Sept. | Light rain shower | 19° /12° | 4.8 mm | 5 | |
| 23 Sept. | Light rain shower | 17° /12° | 8.1 mm | 4 | |
| 24 Sept. | Sunny | 18° /10° | 0.9 mm | 5 | |
| 25 Sept. | Overcast | 18° /11° | 4 mm | 5 | |
| 26 Sept. | Overcast | 20° /13° | 10.2 mm | 5 | |
| 27 Sept. | Partly cloudy | 19° /13° | 13.4 mm | 5 | |
| 28 Sept. | Patchy rain possible | 16° /12° | 2 mm | 4 | |
| 29 Sept. | Light rain shower | 17° /10° | 0.5 mm | 4 | |
| 30 Sept. | Cloudy | 17° /10° | 6.1 mm | 4 | |
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Important Notice
Our weather forecast for South Holland 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 South Holland forecast closer to your planned date for the most up-to-date weather information.
South Holland in September - FAQ
What are the expected maximum and minimum temperatures in South Holland during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in South Holland during September?
In September, South Holland can expect light to moderate rainfall, totaling 45.9 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in South Holland during September?
The average wind speed in South Holland during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to South Holland in September?
As you prepare for your trip to South Holland 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 South Holland, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- 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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