September weather forecastWolsum, Netherlands

September

Weather in September

September, the first month of the autumn in Wolsum, is still a comfortable month, with an average temperature ranging between max 17.6°C (63.7°F) and min 13.4°C (56.1°F).

Temperature

The advent of September reveals an average high-temperature of an enjoyable 17.6°C (63.7°F), showing minimal difference from the prior month. September nights in Wolsum, Netherlands, witness a mild cool down to an average low of 13.4°C (56.1°F).

Humidity

The average relative humidity in September is 80%.

Rainfall

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

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September in Wolsum is 12h and 40min.
On the first day of September in Wolsum, sunrise is at 06:48 and sunset at 20:26. On the last day of the month, sunrise is at 07:38 and sunset at 19:16 CEST.

Sunshine

In September, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in September in Wolsum, Netherlands, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

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

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

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

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

In September, the average day length in Wolsum, Netherlands, is 12h and 40min.

On the first day of September in Wolsum, sunrise is at 06:48 and sunset at 20:26. On the last day of the month, sunrise is at 07:38 and sunset at 19:16 CEST.

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

In September, the average daily maximum UV index in Wolsum, Netherlands, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, Netherlands

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
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
Wolsum, 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
Wolsum, 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
Wolsum, 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
Wolsum, 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).