September weather forecastBarnflair, Netherlands

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Barnflair, Netherlands, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 10.9°C (51.6°F).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's pleasant 22°C (71.6°F) to an enjoyable 18.5°C (65.3°F). In September, the nighttime temperature lowers to an average of 10.9°C (51.6°F).

Humidity

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

Rainfall

In Barnflair, Netherlands, during September, the rain falls for 17.3 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Barnflair, Netherlands, there are 203.1 rainfall days, and 528mm (20.79") of precipitation is accumulated.

Snowfall

In Barnflair, Netherlands, snow does not fall in May through October.

Daylight

In Barnflair, Netherlands, the average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 06:42 and sunset at 20:20. On the last day of September, sunrise is at 07:32 and sunset at 19:10 CEST.

Sunshine

In September, the average sunshine in Barnflair, Netherlands, is 7.5h.

UV index

The average daily maximum UV index in September in Barnflair is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

Barnflair in September has an average high-temperature of 18.5°C (65.3°F) and an average low-temperature of 10.9°C (51.6°F).

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

In Barnflair, Netherlands, in September, during 17.3 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Barnflair, Netherlands, snow does not fall in May through October.

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

On the first day of September, sunrise is at 06:42 and sunset at 20:20. On the last day of the month, sunrise is at 07:32 and sunset at 19:10 CEST.

In September, the average sunshine duration in Barnflair is 7.5h.

The average daily maximum UV index in September in Barnflair, Netherlands, is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Barnflair, Netherlands

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (4°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average pressure in September
Barnflair, Netherlands

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in September
Barnflair, Netherlands

  • Average wind speed in September: 13km/h

The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is July (12.5km/h).

Average humidity in September
Barnflair, Netherlands

  • Average humidity in September: 82%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Barnflair, Netherlands

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Barnflair, Netherlands

  • Average rainfall days in September: 17.3 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (13.9 days).

Average snowfall in September
Barnflair, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Barnflair, Netherlands

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and 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
Barnflair, 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 30min

The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Barnflair, Netherlands

  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is June (7.2 days).

Average UV index in September
Barnflair, Netherlands

  • Average UV index in September: 4

The months with the highest UV index are June and 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
Barnflair, Netherlands

  • Average cloud cover in September: 47

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 42).

Average visibility in September
Barnflair, Netherlands

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).