September weather forecastNisse, Netherlands

September

Weather in September

September, the first month of the autumn in Nisse, is still a comfortable month, with an average temperature fluctuating between 18.9°C (66°F) and 12.8°C (55°F).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's pleasant 21.9°C (71.4°F) to a refreshing 18.9°C (66°F). Nisse's nights in September experience an average temperature drop to a cool 12.8°C (55°F).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall in Nisse. Rain falls for 8.3 days and accumulates 9mm (0.35") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Nisse, the average length of the day in September is 12h and 38min.
On the first day of September, sunrise is at 06:58 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.

Sunshine

In Nisse, the average sunshine in September is 7.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

Nisse in September has an average high-temperature of 18.9°C (66°F) and an average low-temperature of 12.8°C (55°F).

In September, the average relative humidity is 77%.

September is the month with the least rainfall. Rain falls for 8.3 days and accumulates 9mm (0.35") of precipitation.

In Nisse, in September, during 8.3 rainfall days, 9mm (0.35") of precipitation is typically accumulated.

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

The average day length in September is 12h and 38min.

On the first day of September, sunrise is at 06:58 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.

The average sunshine duration in September is 7.4h.

In Nisse, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Nisse, Netherlands

  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 12.8°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).

Average pressure in September
Nisse, Netherlands

  • Average pressure in September: 1017.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

Average wind speed in September
Nisse, Netherlands

  • Average wind speed in September: 14.7km/h

The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).

Average humidity in September
Nisse, Netherlands

  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Nisse, Netherlands

  • Average rainfall in September: 9mm

The wettest months (with the highest rainfall) are July and December (20mm).
The driest month (with the least rainfall) is September (9mm).

Average rainfall days in September
Nisse, Netherlands

  • Average rainfall days in September: 8.3 days

The months with the highest number of rainy days are July and December (12.4 days).
The month with the least rainy days is September (8.3 days).

Average snowfall in September
Nisse, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Nisse, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.6 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
Nisse, Netherlands

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

Average sunshine days in September
Nisse, Netherlands

  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (14.2 days).

Average UV index in September
Nisse, Netherlands

  • Average UV index in September: 4

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

Average cloud cover in September
Nisse, Netherlands

  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 38).

Average visibility in September
Nisse, Netherlands

  • Average visibility in September: 10km

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