September weather forecastWarffum, Netherlands

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Warffum, Netherlands, with an average temperature varying between 18.1°C (64.6°F) and 11.7°C (53.1°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from an agreeable 21.3°C (70.3°F) in August to a comfortable 18.1°C (64.6°F). Throughout September, an average low-temperature of 11.7°C (53.1°F) is experienced.

Humidity

In September, the average relative humidity in Warffum is 82%.

Rainfall

In Warffum, in September, during 15.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Warffum, Netherlands, during the entire year, the rain falls for 179.4 days and collects up to 340mm (13.39") of precipitation.

Snowfall

In Warffum, snow does not fall in April through October.

Daylight

The average length of the day in September in Warffum is 12h and 41min.
On the first day of the month, sunrise is at 06:44 and sunset at 20:23. On the last day of September, in Warffum, sunrise is at 07:34 and sunset at 19:12 CEST.

Sunshine

In September, the average sunshine in Warffum is 7.1h.

UV index

In Warffum, Netherlands, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

The average high-temperature and low-temperature during September are 18.1°C (64.6°F) and 11.7°C (53.1°F) respectively.

In Warffum, Netherlands, the average relative humidity in September is 82%.

In Warffum, Netherlands, in September, it is raining for 15.5 days, with typically 30mm (1.18") of accumulated precipitation.

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

In September, the average day length in Warffum is 12h and 41min.

In September, on the first day of the month, sunrise is at 06:44 and sunset at 20:23. On the last day of the month, in Warffum, Netherlands, sunrise is at 07:34 and sunset at 19:12 CEST.

The average sunshine duration in September in Warffum is 7.1h.

The average daily maximum UV index in September in Warffum is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Warffum, Netherlands

  • Average high temperature in September: 18.1°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in September: 11.7°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).

Average pressure in September
Warffum, Netherlands

  • Average pressure in September: 1016.4mbar

The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in September
Warffum, Netherlands

  • Average wind speed in September: 15km/h

The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).

Average humidity in September
Warffum, Netherlands

  • Average humidity in September: 82%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Warffum, Netherlands

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Warffum, Netherlands

  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in September
Warffum, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Warffum, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.8 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
Warffum, 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 36min).

  • Average sunshine in September: 7h and 6min

The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Warffum, Netherlands

  • Average sunshine days in September: 10.2 days

The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).

Average UV index in September
Warffum, 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
Warffum, Netherlands

  • Average cloud cover in September: 46

The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).

Average visibility in September
Warffum, Netherlands

  • Average visibility in September: 9km

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