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
An average high-temperature of a still warm 23.3°C (73.9°F) marks September, exhibiting a close resemblance to the conditions in August. Hiersac witnesses an average low-temperature of 12°C (53.6°F) throughout the month of September.Humidity
The average relative humidity in September is 71%.Rainfall
In Hiersac, France, in September, it is raining for 8.5 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 160.6 rainfall days, and 496mm (19.53") of precipitation is accumulated.Snowfall
In Hiersac, snow does not fall in March through November.Daylight
In Hiersac, France, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 07:21 and sunset at 20:37. On the last day of September, in Hiersac, sunrise is at 07:57 and sunset at 19:41 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are the temperatures in Hiersac in September?
What is the average humidity in September in Hiersac?
How many days does it rain in September in Hiersac?
When it does not snow in Hiersac?
What is the average length of the day in September in Hiersac?
When are sunrise and sunset in September in Hiersac?
How many hours of sunshine does Hiersac have in September?
What is the UV index reading in September in Hiersac?
Average temperature in September
Hiersac, France
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Hiersac, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Hiersac, France
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Hiersac, France
- Average humidity in September: 71%
The months with the highest relative humidity are January, November and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Hiersac, France
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in September
Hiersac, France
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (8.5 days).
Average snowfall in September
Hiersac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hiersac, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Hiersac, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Hiersac, France
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Hiersac, France
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Hiersac, France
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hiersac, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).
Hiersac, France
Weather forecast for your location
2. Allow the app to use your location
