September weather forecastDearsum, Netherlands

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Dearsum, Netherlands, with an average temperature ranging between max 17.6°C (63.7°F) and min 13.4°C (56.1°F).

Temperature

As Dearsum, Netherlands, welcomes September, the average high-temperature stabilizes at a comfortable 17.6°C (63.7°F), showing little deviation from August's 20.3°C (68.5°F). During the nights of September, the average low-temperature in Dearsum, Netherlands, holds at a moderate 13.4°C (56.1°F).

Humidity

The average relative humidity in September in Dearsum is 80%.

Rainfall

In Dearsum, in September, during 17.3 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Dearsum, during the entire year, the rain falls for 188.1 days and collects up to 390mm (15.35") of precipitation.

Snowfall

In Dearsum, Netherlands, snow does not fall in April through October.

Daylight

The average length of the day in September in Dearsum is 12h and 40min.
On the first day of the month, sunrise is at 06:48 and sunset at 20:25. On the last day of September, in Dearsum, sunrise is at 07:37 and sunset at 19:16 CEST.

Sunshine

In September, the average sunshine is 7.3h.

UV index

In Dearsum, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In September, in Dearsum, the average high-temperature is 17.6°C (63.7°F), and the average low-temperature is 13.4°C (56.1°F).

In Dearsum, Netherlands, the average relative humidity in September is 80%.

In Dearsum, in September, during 17.3 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

In Dearsum, Netherlands, snow does not fall in April through October.

The average day length in September in Dearsum is 12h and 40min.

On the first day of September, sunrise is at 06:48 and sunset at 20:25. On the last day of the month, sunrise is at 07:37 and sunset at 19:16 CEST.

In September, the average sunshine duration in Dearsum is 7.3h.

In Dearsum, Netherlands, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dearsum, Netherlands

  • Average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is August (20.3°C).
The months with the lowest average high temperature are January and February (5.3°C).

  • Average low temperature in September: 13.4°C

The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

Average pressure in September
Dearsum, Netherlands

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).

Average wind speed in September
Dearsum, Netherlands

  • Average wind speed in September: 19.3km/h

The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).

Average humidity in September
Dearsum, Netherlands

  • Average humidity in September: 80%

The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and August (79%).

Average rainfall in September
Dearsum, Netherlands

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Dearsum, Netherlands

  • Average rainfall days in September: 17.3 days

The month with the highest number of rainy days is December (18.8 days).
The month with the least rainy days is April (11.1 days).

Average snowfall in September
Dearsum, Netherlands

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Dearsum, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Dearsum, Netherlands

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Dearsum, Netherlands

  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is December (7.1 days).

Average UV index in September
Dearsum, Netherlands

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Dearsum, Netherlands

  • Average cloud cover in September: 46

The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 39).

Average visibility in September
Dearsum, Netherlands

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).