September weather forecastFarmsum, Netherlands
September
Weather in September
September, the first month of the autumn in Farmsum, is also an enjoyable month, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 17.9°C (64.2°F).Temperature
In September, the average high-temperature marginally drops from an agreeable 21.2°C (70.2°F) in August to a refreshing 17.9°C (64.2°F). Farmsum's nighttime temperature in September drops to an average of 12.1°C (53.8°F).Humidity
In September, the average relative humidity in Farmsum is 81%.Rainfall
In Farmsum, during September, the rain falls for 11.9 days and regularly aggregates up to 16mm (0.63") of precipitation. In Farmsum, during the entire year, the rain falls for 146.3 days and collects up to 214mm (8.43") of precipitation.Snowfall
In Farmsum, snow does not fall in April through October.Daylight
In Farmsum, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:42 and sunset at 20:21. On the last day of September, in Farmsum, sunrise is at 07:33 and sunset at 19:11 CEST.
Sunshine
In Farmsum, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September in Farmsum, Netherlands, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Farmsum, Netherlands
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (21.2°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Farmsum, Netherlands
- Average pressure in September: 1016.3mbar
The months with the highest atmospheric pressure are May and September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Farmsum, Netherlands
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (22.4km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in September
Farmsum, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Farmsum, Netherlands
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (26mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Farmsum, Netherlands
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Farmsum, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Farmsum, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Farmsum, 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 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Farmsum, Netherlands
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Farmsum, Netherlands
- Average UV index in September: 4
The months with the highest UV index are 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
Farmsum, 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 40).
Average visibility in September
Farmsum, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June and August (10km).
The months with the lowest visibility are January, May, July, September, October, November and December (9km).
