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
September
Weather in September
Temperature
September signifies a gentle decline in Martigny's average high-temperature, easing from a refreshing 16.2°C (61.2°F) in August to a cool 12°C (53.6°F). In Martigny, an average nighttime temperature of 2.8°C (37°F) is expected during September.Humidity
In Martigny, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 43mm (1.69") of precipitation.Snowfall
Months with snowfall in Martigny, Switzerland, are January through May, August through December. In September, it is snowing for 1.2 days. Throughout September, 12mm (0.47") of snow is accumulated. In Martigny, Switzerland, during the entire year, snow falls for 97.6 days and aggregates up to 2767mm (108.94") of snow.Daylight
In Martigny, the average length of the day in September is 12h and 32min.On the first day of September in Martigny, sunrise is at 06:52 and sunset at 20:10. On the last day of the month, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In Martigny, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in September translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Martigny?
What is the average humidity in September in Martigny?
What is the driest month in Martigny?
How many days does it rain in September in Martigny?
How many days does it snow in September in Martigny?
What is the average length of the day in September in Martigny?
What time are sunrise and sunset in September in Martigny?
How long on average sun shines in September in Martigny?
What is the UV index reading in September in Martigny?
Average temperature in September
Martigny, Switzerland
- Average high temperature in September: 12°C
The warmest month (with the highest average high temperature) is August (16.2°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in September: 2.8°C
The months with the highest average low temperature are July and August (5.6°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in September
Martigny, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Martigny, Switzerland
- Average wind speed in September: 6.7km/h
The windiest months (with the highest average wind speed) are November and December (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Martigny, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Martigny, Switzerland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (43mm).
Average rainfall days in September
Martigny, Switzerland
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Martigny, Switzerland
- Average snowfall in September: 12mm
The month with the highest snowfall is December (669mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in September
Martigny, Switzerland
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Martigny, Switzerland
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 42min).
Average sunshine days in September
Martigny, Switzerland
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (6.3 days).
Average UV index in September
Martigny, Switzerland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Martigny, Switzerland
- Average cloud cover in September: 42
The months with the most cloud cover are February, March and May (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Martigny, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
