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
The arrival of September correlates with a minor temperature reduction, down from August's moderately hot 75.2°F to an agreeable 68.2°F. Rethel experiences an average low-temperature of 51.8°F in the month of September.Humidity
The average relative humidity in September in Rethel is 76%.Rainfall
In Rethel, in September, during 9.7 rainfall days, 0.79" of precipitation is typically accumulated. Throughout the year, there are 158.9 rainfall days, and 12.95" of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Rethel, the average length of the day in September is 12h and 36min.On the first day of September in Rethel, sunrise is at 06:59 and sunset at 20:25. On the last day of the month, sunrise is at 07:41 and sunset at 19:23 CEST.
Sunshine
In September, the average sunshine in Rethel, France, is 7.8h.UV index
In Rethel, France, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Heed the precautions - It is counselled to guard against solar damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rethel?
What is the average humidity in September in Rethel?
How many days does it rain in September in Rethel?
When it does not snow in Rethel?
How many hours of daylight does Rethel have in September?
When are sunrise and sunset in September in Rethel?
How long on average sun shines in September in Rethel?
What is the UV index reading in September in Rethel?
Average temperature in September
Rethel, France
- Average high temperature in September: 68.2°F
The warmest month (with the highest average high temperature) is August (75.2°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in September
Rethel, France
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are September and December (30.06"Hg).
The month with the lowest atmospheric pressure is November (29.93"Hg).
Average wind speed in September
Rethel, France
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Rethel, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Rethel, France
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is April (0.63").
Average rainfall days in September
Rethel, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
Rethel, France
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rethel, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Rethel, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Rethel, France
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Rethel, France
- 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
Rethel, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Rethel, France
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, July, August and September (6mi).
The months with the lowest visibility are January, May, June, October, November and December (5mi).
