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
Weather in September
Temperature
The arrival of September correlates with a minor temperature reduction, down from August's agreeable 22.4°C (72.3°F) to a comfortable 18.5°C (65.3°F). Ootmarsum usually reports an average low-temperature of 10.9°C (51.6°F) during the month of September.Humidity
The average relative humidity in September in Ootmarsum is 81%.Rainfall
In September, the rain falls for 7.4 days. Throughout September, 8mm (0.31") of precipitation is accumulated. In Ootmarsum, during the entire year, the rain falls for 97.5 days and collects up to 121mm (4.76") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Ootmarsum, the average length of the day in September is 12h and 40min.On the first day of September in Ootmarsum, sunrise is at 06:44 and sunset at 20:20. On the last day of the month, sunrise is at 07:32 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Ootmarsum, Netherlands, is 7.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ootmarsum in September?
What is the average humidity in September in Ootmarsum?
How many days does it rain in September in Ootmarsum?
When it does not snow in Ootmarsum?
What is the average length of the day in September in Ootmarsum?
When are sunrise and sunset in September in Ootmarsum?
How long on average sun shines in September in Ootmarsum?
How high is the UV index in September in Ootmarsum?
Average temperature in September
Ootmarsum, Netherlands
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Ootmarsum, Netherlands
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Ootmarsum, Netherlands
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (19km/h).
The calmest month (with the lowest average wind speed) is July (12.4km/h).
Average humidity in September
Ootmarsum, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Ootmarsum, Netherlands
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (16mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in September
Ootmarsum, Netherlands
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is April (6.8 days).
Average snowfall in September
Ootmarsum, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ootmarsum, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.2 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
Ootmarsum, Netherlands
- Average daylight in September: 12h and 4min
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 3min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Ootmarsum, Netherlands
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is July (15.5 days).
Average UV index in September
Ootmarsum, 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
Ootmarsum, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Ootmarsum, 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).
Ootmarsum, Netherlands
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