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 witnesses a gentle descent in average high-temperature, descending from August's warm 78.6°F (25.9°C) to a pleasant 72.3°F (22.4°C). A striking difference from the daytime highs is registered during September nights, with an average temperature of 45.5°F (7.5°C).Humidity
In Manassa, the average relative humidity in September is 49%.Rainfall
In Manassa, Colorado, during September, the rain falls for 6.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Manassa, during the entire year, the rain falls for 79.9 days and collects up to 7.13" (181mm) of precipitation.Snowfall
Months with snowfall in Manassa are January through May, September through December. September is the first month it typically snows in Manassa, Colorado. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Manassa, there are 44.9 snowfall days, and 22.6" (574mm) of snow is accumulated.Daylight
In Manassa, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:31 pm. On the last day of September, in Manassa, Colorado, sunrise is at 6:58 am and sunset at 6:47 pm MDT.
Sunshine
The average sunshine in September is 11.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are September temperatures in Manassa?
What is the average humidity in September in Manassa?
How much does it rain in Manassa in September?
When does it start to snow in Manassa?
What is the average length of the day in September in Manassa?
When is the sunrise / sunset in September in Manassa?
How many hours of sunshine does Manassa have in September?
What is the UV index reading in September in Manassa?
Average temperature in September
Manassa, CO
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 45.5°F
The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in September
Manassa, CO
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in September
Manassa, CO
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Manassa, CO
- Average humidity in September: 49%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).
Average rainfall in September
Manassa, CO
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").
Average rainfall days in September
Manassa, CO
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).
Average snowfall in September
Manassa, CO
- Average snowfall in September: 0.04"
The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Manassa, CO
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Manassa, CO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Manassa, CO
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in September
Manassa, CO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Manassa, CO
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).
Average visibility in September
Manassa, CO
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Manassa, Colorado, USA
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