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
September is characterized by a mild reduction in the average high-temperature, from an agreeable 72°F (22.2°C) in August to a comfortable 64.4°F (18°C). Rand's temperature in September declines substantially from daytime highs, settling at a consistent average of 38.3°F (3.5°C) during the nights.Humidity
In September, the average relative humidity in Rand, Colorado, is 52%.Rainfall
In Rand, during September, the rain falls for 7.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Rand, there are 72.4 rainfall days, and 10.67" (271mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.6 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, there are 96.4 snowfall days, and 57.44" (1459mm) of snow is accumulated.Daylight
The average length of the day in September in Rand is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm MDT.
Sunshine
The average sunshine in September is 11h.UV index
The average daily maximum UV index in September in Rand, Colorado, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rand?
What is the average humidity in September in Rand?
How many days does it rain in September in Rand?
When does it start snowing in Rand?
What is the average length of the day in September in Rand?
What time are sunrise and sunset in September in Rand?
How long on average sun shines in September in Rand?
What is the UV index reading in September in Rand?
Average temperature in September
Rand, CO
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is July (73.4°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in September: 38.3°F
The month with the highest average low temperature is July (45°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Rand, CO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in September
Rand, CO
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are February and June (7.8mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Rand, CO
- Average humidity in September: 52%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Rand, CO
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.18").
The driest months (with the least rainfall) are August and November (0.59").
Average rainfall days in September
Rand, CO
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is November (1.2 days).
Average snowfall in September
Rand, CO
- Average snowfall in September: 0.63"
The month with the highest snowfall is February (8.39").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Rand, CO
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Rand, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Rand, CO
- Average sunshine days in September: 20 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is February (12.7 days).
Average UV index in September
Rand, CO
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Rand, CO
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 15).
Average visibility in September
Rand, CO
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Rand, Colorado, USA
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