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 implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 29.5°C (85.1°F) to a still warm 25.5°C (77.9°F). During September, Grumo Appula sees a mean low-temperature of 20.3°C (68.5°F).Humidity
The average relative humidity in September is 62%.Rainfall
In Grumo Appula, in September, it is raining for 11.8 days, with typically 35mm (1.38") of accumulated precipitation. In Grumo Appula, during the entire year, the rain falls for 137.6 days and collects up to 415mm (16.34") of precipitation.Snowfall
In Grumo Appula, Italy, snow does not fall in April through November.Daylight
In Grumo Appula, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:20 and sunset at 19:25. On the last day of the month, sunrise is at 06:49 and sunset at 18:36 CEST.
Sunshine
In September, the average sunshine is 10.6h.UV index
In Grumo Appula, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Grumo Appula?
What is the average humidity in September in Grumo Appula?
How much does it rain in Grumo Appula in September?
When it does not snow in Grumo Appula?
What is the average length of the day in September in Grumo Appula?
What time are sunrise and sunset in September in Grumo Appula?
How many hours of sunshine does Grumo Appula have in September?
How high is the UV index in September in Grumo Appula?
Average temperature in September
Grumo Appula, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).
Average pressure in September
Grumo Appula, Italy
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in September
Grumo Appula, Italy
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest months (with the lowest average wind speed) are August and September (12.9km/h).
Average humidity in September
Grumo Appula, Italy
- Average humidity in September: 62%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Grumo Appula, Italy
- Average rainfall in September: 35mm
The wettest months (with the highest rainfall) are March and April (45mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Grumo Appula, Italy
- Average rainfall days in September: 11.8 days
The months with the highest number of rainy days are January and March (14.4 days).
The month with the least rainy days is July (6.9 days).
Average snowfall in September
Grumo Appula, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Grumo Appula, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Grumo Appula, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Grumo Appula, Italy
- Average sunshine days in September: 16 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in September
Grumo Appula, Italy
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Grumo Appula, Italy
- Average cloud cover in September: 18
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Grumo Appula, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
