September weather forecastLettele, Netherlands
September
Weather in September
September, the first month of the autumn in Lettele, is still a comfortable month, with an average temperature fluctuating between 10.9°C (51.6°F) and 18.8°C (65.8°F).Temperature
In Lettele, the average high-temperature in September gently drops from an agreeable 22.3°C (72.1°F) in August to an enjoyable 18.8°C (65.8°F). Lettele's average low-temperature in the month of September is recorded at a fresh 10.9°C (51.6°F).Humidity
The average relative humidity in September in Lettele is 82%.Rainfall
In Lettele, in September, it is raining for 9.4 days, with typically 14mm (0.55") of accumulated precipitation. In Lettele, Netherlands, during the entire year, the rain falls for 132.3 days and collects up to 195mm (7.68") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 06:47 and sunset at 20:22. On the last day of the month, sunrise is at 07:35 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September in Lettele is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lettele, Netherlands
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Lettele, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Lettele, Netherlands
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest months (with the lowest average wind speed) are July and August (11.9km/h).
Average humidity in September
Lettele, 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 (75%).
Average rainfall in September
Lettele, Netherlands
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Lettele, Netherlands
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Lettele, 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
Lettele, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Lettele, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Lettele, Netherlands
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Lettele, 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
Lettele, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Lettele, 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).





