September weather forecastReitsum, Netherlands
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Reitsum, Netherlands, with an average temperature fluctuating between 13.4°C (56.1°F) and 17.6°C (63.7°F).Temperature
Transitioning from August to September, Reitsum observes an average high-temperature of a comfortable 17.6°C (63.7°F), differing subtly from the previous month. A mild drop to an average of 13.4°C (56.1°F) marks the nights in Reitsum during September.Humidity
The average relative humidity in September in Reitsum is 80%.Rainfall
In Reitsum, in September, it is raining for 17.3 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 188.1 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Reitsum.Daylight
In Reitsum, Netherlands, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:46 and sunset at 20:25. On the last day of September, sunrise is at 07:37 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September in Reitsum is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reitsum, Netherlands
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The months with the lowest average high temperature are January and February (5.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Reitsum, Netherlands
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Reitsum, Netherlands
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).
Average humidity in September
Reitsum, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and August (79%).
Average rainfall in September
Reitsum, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Reitsum, Netherlands
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is December (18.8 days).
The month with the least rainy days is April (11.1 days).
Average snowfall in September
Reitsum, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Reitsum, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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
Reitsum, 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 month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Reitsum, Netherlands
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in September
Reitsum, Netherlands
- Average UV index in September: 4
The month with the highest UV index is 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
Reitsum, Netherlands
- Average cloud cover in September: 46
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 39).
Average visibility in September
Reitsum, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





