September weather forecastBlauwe Keet, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Blauwe Keet, Netherlands, with an average temperature varying between 15.1°C (59.2°F) and 17.2°C (63°F).Temperature
Blauwe Keet, Netherlands, notes an average high-temperature of a still comfortable 17.2°C (63°F) in September, displaying minor variation from August. September nights cool to an average low-temperature of 15.1°C (59.2°F), a marginal decrease from its daytime equivalent.Humidity
September is the least humid month, with an average relative humidity of 77%.Rainfall
In Blauwe Keet, during September, the rain falls for 16.9 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Blauwe Keet, there are 186.7 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Blauwe Keet, Netherlands.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 06:52 and sunset at 20:29. On the last day of September, sunrise is at 07:41 and sunset at 19:19 CEST.
Sunshine
In Blauwe Keet, Netherlands, the average sunshine in September is 6.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blauwe Keet, Netherlands
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (5.7°C).
- Average low temperature in September: 15.1°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Blauwe Keet, Netherlands
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Blauwe Keet, Netherlands
- Average wind speed in September: 24.6km/h
The windiest month (with the highest average wind speed) is December (33.9km/h).
The calmest month (with the lowest average wind speed) is July (21.3km/h).
Average humidity in September
Blauwe Keet, Netherlands
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Blauwe Keet, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Blauwe Keet, Netherlands
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is April (10.8 days).
Average snowfall in September
Blauwe Keet, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Blauwe Keet, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 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
Blauwe Keet, 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: 6h and 48min
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 24min).
Average sunshine days in September
Blauwe Keet, Netherlands
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Blauwe Keet, 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
Blauwe Keet, 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 40).
Average visibility in September
Blauwe Keet, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





