Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
In September, the meteorological conditions change slightly, with the average high-temperature moving from an agreeable 21.5°C (70.7°F) in August to a refreshing 18.2°C (64.8°F). In Blankenham, September nights witness a steady temperature drop to a cool 11.3°C (52.3°F).Humidity
In September, the average relative humidity in Blankenham is 82%.Rainfall
In Blankenham, in September, it is raining for 18.3 days, with typically 51mm (2.01") of accumulated precipitation. In Blankenham, Netherlands, during the entire year, the rain falls for 189.1 days and collects up to 507mm (19.96") of precipitation.Snowfall
In Blankenham, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 40min.On the first day of September in Blankenham, sunrise is at 06:47 and sunset at 20:24. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 6.9h.UV index
The average daily maximum UV index in September in Blankenham is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Take precautions - Protection against skin and eye damage is obliged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Blankenham in September?
What is the average humidity in September in Blankenham?
How many days does it rain in September in Blankenham?
When it does not snow in Blankenham?
How many hours of daylight does Blankenham have in September?
When are sunrise and sunset in September in Blankenham?
How many hours of sunshine does Blankenham have in September?
What is the UV index intensity in September in Blankenham?
Average temperature in September
Blankenham, Netherlands
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in September
Blankenham, Netherlands
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Blankenham, Netherlands
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is August (13.3km/h).
Average humidity in September
Blankenham, 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
Blankenham, Netherlands
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Blankenham, Netherlands
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is August (20.2 days).
The months with the least rainy days are February and April (11.4 days).
Average snowfall in September
Blankenham, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Blankenham, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Blankenham, Netherlands
- Average daylight in September: 12h and 4min
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: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Blankenham, Netherlands
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is August (8 days).
Average UV index in September
Blankenham, 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
Blankenham, Netherlands
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in September
Blankenham, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
