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NetherlandsThe weather in September in Bilthoven
It's pleasantly warm in September in Bilthoven with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 9°C and 13°C.
Looking for great weather? September is a good time to be in Bilthoven. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Bilthoven, Netherlands. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2016, Bilthoven reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 19°C.
Rainfall amount
In September, there is an average of 59 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Bilthoven
Click on any day in September to get detailed info about the usual weather on that day in Bilthoven. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Bilthoven | New York | |
|---|---|---|
| Average temperature | 20°C | 27°C |
| Max. temperature | 23°C | 31°C |
| Min. temperature | 9°C | -5°C |
| Total precipitation | 59 mm | 57 mm |
| Rainy days | 9 days | 9 days |
Start of September
The month of September starts in Bilthoven with warm temps, averaging around 22°C during the day and nights around 13°C.
Mid September
By mid-September, daytime temps drop to around 21°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Bilthoven is around 19°C, while nighttime temps are about 10°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Bilthoven
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Bilthoven for all months and discover the best travel time
Curious about the weather in other parts of Netherlands? Check out the climate and weather for spots like Texel, Veluwe, Zeeland, or explore other destinations in Netherlands.
Temperature charts
These charts show the average temperatures in September in Bilthoven, Netherlands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Bilthoven
Temperature in September in Bilthoven over the years
Precipitation charts
These charts show the average amount of precipitation in September in Bilthoven, Netherlands. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Bilthoven
Total precipitation in September in Bilthoven over the years
Daily UV index in September in Bilthoven
This chart shows the average daily UV index in September in Bilthoven, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Bilthoven
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Average weather in Bilthoven by month
Click on a month below to see detailed weather info for Bilthoven. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.