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's arrival comes with a mild decrease in the average high-temperature, moving subtly from an agreeable 22.3°C (72.1°F) in August to a comfortable 18.3°C (64.9°F). An average nighttime temperature of 8°C (46.4°F) is observed during September.Humidity
In September, the average relative humidity is 83%.Rainfall
In Garthby, Canada, in September, it is raining for 14.1 days, with typically 71mm (2.8") of accumulated precipitation. Throughout the year, there are 154.4 rainfall days, and 932mm (36.69") of precipitation is accumulated.Snowfall
In Garthby, snow does not fall in June through September.Daylight
In Garthby, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:27 pm EDT.
Sunshine
The average sunshine in September is 7.5h.UV index
In Garthby, Canada, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Garthby in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Garthby have in September?
What is the UV index intensity in September?
Average temperature in September
Garthby, Canada
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (-7.1°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-15.2°C).
Average pressure in September
Garthby, Canada
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is November (1017.3mbar).
The month with the lowest atmospheric pressure is June (1012.3mbar).
Average wind speed in September
Garthby, Canada
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Garthby, Canada
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (78%).
Average rainfall in September
Garthby, Canada
- Average rainfall in September: 71mm
The wettest months (with the highest rainfall) are April and August (86mm).
The driest month (with the least rainfall) is February (64mm).
Average rainfall days in September
Garthby, Canada
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (19.4 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Garthby, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (402mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Garthby, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Garthby, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 1h and 54min).
Average sunshine days in September
Garthby, Canada
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Garthby, Canada
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Garthby, Canada
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Garthby, Canada
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (8km).
The months with the lowest visibility are January and February (6km).
