September weather forecastBuffalo, Canada
September
Weather in September
September, the first month of the autumn in Buffalo, is still a pleasant month, with temperature in the range of an average high of 20.6°C (69.1°F) and an average low of 10.4°C (50.7°F).Temperature
September brings a minor decrease, with the average high-temperature reducing from a warm 26.1°C (79°F) in August to an agreeable 20.6°C (69.1°F). Buffalo experiences an average low-temperature of 10.4°C (50.7°F) in the month of September.Humidity
In September, the average relative humidity in Buffalo is 49%.Rainfall
In Buffalo, during September, the rain falls for 7.5 days and regularly aggregates up to 18mm (0.71") of precipitation. In Buffalo, during the entire year, the rain falls for 90.9 days and collects up to 243mm (9.57") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 8mm (0.31") of snow. Throughout the year, there are 50.5 snowfall days, and 397mm (15.63") of snow is accumulated.Daylight
In September, the average length of the day in Buffalo is 12h and 37min.On the first day of September in Buffalo, Canada, sunrise is at 6:37 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:02 pm MDT.
Sunshine
In September, the average sunshine in Buffalo is 9.7h.UV index
In September, the average daily maximum UV index in Buffalo is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buffalo, Canada
- Average high temperature in September: 20.6°C
The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is December (-4.3°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (-11.2°C).
Average pressure in September
Buffalo, Canada
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is February (1020mbar).
The month with the lowest atmospheric pressure is June (1010.1mbar).
Average wind speed in September
Buffalo, Canada
- Average wind speed in September: 14.4km/h
The windiest month (with the highest average wind speed) is January (16.5km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in September
Buffalo, Canada
- Average humidity in September: 49%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Buffalo, Canada
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (59mm).
The driest month (with the least rainfall) is January (6mm).
Average rainfall days in September
Buffalo, Canada
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Buffalo, Canada
- Average snowfall in September: 8mm
The month with the highest snowfall is November (74mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Buffalo, Canada
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Buffalo, Canada
- Average daylight in September: 12h and 36min
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 0min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
Buffalo, Canada
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Buffalo, Canada
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Buffalo, Canada
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in September
Buffalo, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
