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 commencement of September indicates a gentle shift in the average high-temperature, receding from August's agreeable 22.3°C (72.1°F) to a comfortable 18.3°C (64.9°F). Rohrbach's temperature lowers to a mean of 7.5°C (45.5°F) during the nights in September.Humidity
In Rohrbach, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall in Rohrbach is September, when the rain falls for 12.8 days and typically collects 37mm (1.46") of precipitation.Snowfall
In Rohrbach, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September, sunrise is at 06:48 and sunset at 20:08. On the last day of the month, sunrise is at 07:26 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Rohrbach, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What are September temperatures in Rohrbach?
What is the average humidity in September in Rohrbach?
What is the driest month in Rohrbach?
How much does it rain in Rohrbach in September?
When it does not snow in Rohrbach?
Does it snow in Rohrbach in September?
What is the average length of the day in September in Rohrbach?
When are sunrise and sunset in September in Rohrbach?
How long on average sun shines in September in Rohrbach?
How high is the UV index in September in Rohrbach?
Average temperature in September
Rohrbach, Switzerland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in September
Rohrbach, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Rohrbach, Switzerland
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Rohrbach, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Rohrbach, Switzerland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in September
Rohrbach, Switzerland
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Rohrbach, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (269mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rohrbach, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rohrbach, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Rohrbach, Switzerland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Rohrbach, Switzerland
- 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, October, November and December (UV index 2).
Average cloud cover in September
Rohrbach, Switzerland
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Rohrbach, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Rohrbach, Switzerland
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