The weather in September in Katwijk

It's hot in September in Katwijk with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 23°C and 24°C.

September is a good month to be in Katwijk for sunny weather. You’ll have high temperatures and 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 Katwijk, Suriname. 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 38°C in 2023, Katwijk reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 28°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 25°C.

Rainfall amount

In September, there is an average of 66 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the East.

Daily weather in September for Katwijk

Click on any day in September to get detailed info about the usual weather on that day in Katwijk. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Katwijk New York
Average temperature 34°C 27°C
Max. temperature 35°C 31°C
Min. temperature 23°C -5°C
Total precipitation 66 mm 57 mm
Rainy days 10 days 9 days

Start of September

The month of September starts in Katwijk with hot temps, averaging around 34°C during the day and nights around 24°C.

Mid September

By mid-September, daytime temps stay steady at around 34°C, with nights around 24°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 Katwijk is around 35°C, while nighttime temps are about 24°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Katwijk for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Katwijk, Suriname. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Katwijk

Temperature in September in Katwijk over the years

Precipitation charts

These charts show the average amount of precipitation in September in Katwijk, Suriname. 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 Katwijk

Total precipitation in September in Katwijk over the years

Daily UV index in September in Katwijk

This chart shows the average daily UV index in September in Katwijk, 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 Katwijk

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Average weather in Katwijk by month

Click on a month below to see detailed weather info for Katwijk. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.