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
In the transition to September, Chemy observes a minor drop in the average high-temperature, shifting from a warm 23.3°C (73.9°F) in August to a refreshing 19.9°C (67.8°F). Chemy, in September, experiences an average temperature of 11.4°C (52.5°F) at night.Humidity
The average relative humidity in September in Chemy is 77%.Rainfall
The month with the least rainfall in Chemy is September, when the rain falls for 11.5 days and typically collects 19mm (0.75") of precipitation.Snowfall
In Chemy, snow does not fall in April through October.Daylight
In Chemy, the average length of the day in September is 12h and 37min.On the first day of September in Chemy, sunrise is at 07:03 and sunset at 20:32. On the last day of the month, sunrise is at 07:47 and sunset at 19:28 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September in Chemy is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the temperature in September in Chemy?
What is the average humidity in September in Chemy?
What is the driest month in Chemy?
How much does it rain in Chemy in September?
When it does not snow in Chemy?
How many hours of daylight does Chemy have in September?
When is the sunrise / sunset in September in Chemy?
How long on average sun shines in September in Chemy?
How high is the UV index in September in Chemy?
Average temperature in September
Chemy, France
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Chemy, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Chemy, France
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in September
Chemy, France
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Chemy, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Chemy, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Chemy, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (24mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chemy, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chemy, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Chemy, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is August (11.1 days).
Average UV index in September
Chemy, 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
Chemy, France
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Chemy, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Chemy, France
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