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
In September, the average high-temperature marginally drops from a moderately hot 28°C (82.4°F) in August to a still warm 24.5°C (76.1°F). During September, Saint-Martin-de-Lerm experiences a consistent low-temperature average of 12.8°C (55°F).Humidity
In Saint-Martin-de-Lerm, the average relative humidity in September is 70%.Rainfall
In Saint-Martin-de-Lerm, France, in September, it is raining for 9.6 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Saint-Martin-de-Lerm, there are 154.4 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
In Saint-Martin-de-Lerm, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 07:23 and sunset at 20:36. On the last day of September, in Saint-Martin-de-Lerm, sunrise is at 07:57 and sunset at 19:42 CEST.
Sunshine
In Saint-Martin-de-Lerm, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Saint-Martin-de-Lerm is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Saint-Martin-de-Lerm in September?
What is the average humidity in September in Saint-Martin-de-Lerm?
How much does it rain in Saint-Martin-de-Lerm in September?
When it does not snow in Saint-Martin-de-Lerm?
What is the average length of the day in September in Saint-Martin-de-Lerm?
What time are sunrise and sunset in September in Saint-Martin-de-Lerm?
How many hours of sunshine does Saint-Martin-de-Lerm have in September?
What is the UV index intensity in September in Saint-Martin-de-Lerm?
Average temperature in September
Saint-Martin-de-Lerm, France
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Saint-Martin-de-Lerm, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Saint-Martin-de-Lerm, France
- Average wind speed in September: 8.4km/h
The windiest months (with the highest average wind speed) are February and March (11.5km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Saint-Martin-de-Lerm, France
- Average humidity in September: 70%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Saint-Martin-de-Lerm, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is November (59mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
Saint-Martin-de-Lerm, France
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Saint-Martin-de-Lerm, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Saint-Martin-de-Lerm, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Saint-Martin-de-Lerm, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and November (Average sunshine: 4h and 48min).
Average sunshine days in September
Saint-Martin-de-Lerm, France
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Saint-Martin-de-Lerm, France
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Saint-Martin-de-Lerm, France
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint-Martin-de-Lerm, France
- Average visibility in September: 9km
The months with the highest visibility are March, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, May, November and December (8km).
