NetherlandsAverage weather for Haarlem in September
It's pleasantly warm in September in Haarlem with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 10°C and 16°C.
Start of September
The month of September starts in Haarlem with warm temps, averaging around 22°C during the day and nights around 15°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid September
By mid-September, daytime temps drop to around 21°C, with nights around 14°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 Haarlem is around 19°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In September, there is an average of 115 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Haarlem in September |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 27°C | |
 Max. temperature |
22°C | 31°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
115 mm | 57 mm | |
| Rainy days |
11 days | 9 days | |
August
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.
Is September a good time to visit Haarlem?
Looking for sun? September isn’t a good month to be in Haarlem. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 32°C in 2016, Haarlem reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 20°C.
Check out the climate of Haarlem 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.
Daily Temperature in September in Haarlem
This chart shows the average daily high and low temperatures in September for Haarlem, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Haarlem
The chart below shows the average daily precipitation in September for Haarlem, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 11 days of precipitation in Haarlem.
Daily UV index in September in Haarlem
This chart shows the average daily UV index in September in Haarlem, 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.
Temperature in September in Haarlem over the years
This chart shows the average temperature in September in Haarlem, measured in degrees Celsius, over the past few years.
Total precipitation in September in Haarlem over the years
This chart shows the average precipitation in September in Haarlem, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Haarlem
Click on any day in September to get detailed info about the usual weather on that day in Haarlem. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Haarlem
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Average weather in Haarlem by month
Click on a month below to see detailed weather info for Haarlem. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
