Holyoke
Colorado, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Holyoke, CO

September, the first month of the autumn, in Holyoke, is also a moderately hot month, with average temperature ranging between min 55°F (12.8°C) and max 82.9°F (28.3°C).

Temperature

In September, the average high-temperature drops, from a sweltering 96.1°F (35.6°C) in August, to a warm 82.9°F (28.3°C). In September, in Holyoke, Colorado, the average low-temperature is 55°F (12.8°C).

Rainfall

Throughout September, 1.3" (33.5mm) of precipitation is accumulated. During the entire year, Holyoke aggregates up to 18.6" (471.8mm) of precipitation.

Snowfall

Months with snowfall in Holyoke are January through April, September through December. September is the first month it typically snows. Throughout September, Holyoke receives 0.4" (10.2mm) of snow. Throughout the year, in Holyoke, 29.7" (754.5mm) of snow is accumulated.

Daylight

The average length of the day in September in Holyoke is 12.4h.

What is the temperature in September in Holyoke?

In Holyoke, Colorado, in September, the average high-temperature is 82.9°F (28.3°C), and the average low-temperature is 55°F (12.8°C).

How much does it rain in Holyoke in September?

In Holyoke, Colorado, in September, 1.3" (33.5mm) of precipitation is typically accumulated.

When does it start snowing in Holyoke?

September is the first month it typically snows in Holyoke, Colorado. Throughout September, Holyoke receives 0.4" (10.2mm) of snow.

What is the average length of the day in September in Holyoke?

The average length of the day in September in Holyoke, Colorado, is 12.4h.
Average temperature in September - Holyoke, CO
  • Average high temperature in September: 83°F

The warmest month (with the highest average high temperature) is August (96°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is August (66°F).
The coldest month (with the lowest average low temperature) is December (19°F).

Average rainfall in September - Holyoke, CO
  • Average rainfall in September: 1.3"

Wettest months (with the highest rainfall) are May and June (3").
Driest months (with the lowest rainfall) are January and December (0.4").

Average snowfall in September - Holyoke, CO
  • Average snowfall in September: 0.4"

The month with the highest snowfall is March (5.5").
Months with the lowest snowfall are May, June, July and August (0").

Average daylight in September - Holyoke, CO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).