NetherlandsAverage weather for Alkmaar in September
It's pleasantly warm in September in Alkmaar with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 21°C. At night, you can expect temperatures between 11°C and 15°C.
Start of September
The month of September starts in Alkmaar with mild temps, averaging around 21°C during the day and nights around 14°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid September
By mid-September, daytime temps drop to around 20°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 Alkmaar is around 19°C, while nighttime temps are about 12°C. A shower might pop up, but overall, the weather will be dry and sunny.
In September, there is an average of 85 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.
Alkmaar in September |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 27°C | |
 Max. temperature |
21°C | 31°C | |
| Min. temperature |
17°C | -5°C | |
 Total precipitation |
85 mm | 57 mm | |
| Rainy days |
11 days | 9 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Alkmaar?
Looking for great weather? September is a good time to be in Alkmaar. The temperatures are nice, and there’s not too much rain.
Temperature records
With 31°C in 2016, Alkmaar reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 11°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 3°C to a highest value of 19°C.
Check out the climate of Alkmaar 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 Alkmaar
This chart shows the average daily high and low temperatures in September for Alkmaar, 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 Alkmaar
The chart below shows the average daily precipitation in September for Alkmaar, 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 Alkmaar.
Daily UV index in September in Alkmaar
This chart shows the average daily UV index in September in Alkmaar, 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 Alkmaar over the years
This chart shows the average temperature in September in Alkmaar, measured in degrees Celsius, over the past few years.
Total precipitation in September in Alkmaar over the years
This chart shows the average precipitation in September in Alkmaar, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Alkmaar
Click on any day in September to get detailed info about the usual weather on that day in Alkmaar. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Alkmaar
Have you been to Alkmaar in September?
Share your weather experience in September in Alkmaar.
Average weather in Alkmaar by month
Click on a month below to see detailed weather info for Alkmaar. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
