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
The average high-temperature shows a slight dip in September, from August's 85.6°F (29.8°C) to a still moderately hot 78.3°F (25.7°C). September nights present a stark temperature decrease to a refreshing 56.5°F (13.6°C).Humidity
With an average relative humidity of 53%, September is the least humid month.Rainfall
In Julesburg, in September, it is raining for 9.8 days, with typically 1.02" (26mm) of accumulated precipitation. In Julesburg, Colorado, during the entire year, the rain falls for 117.3 days and collects up to 17.28" (439mm) of precipitation.Snowfall
In Julesburg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:16 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:32 pm MDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in Julesburg in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Julesburg have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Julesburg, CO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest months (with the lowest average low temperature) are January and December (22.3°F).
Average pressure in September
Julesburg, CO
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Julesburg, CO
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in September
Julesburg, CO
- Average humidity in September: 53%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is September (53%).
Average rainfall in September
Julesburg, CO
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Julesburg, CO
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (3.8 days).
Average snowfall in September
Julesburg, CO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Julesburg, CO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Julesburg, CO
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in September
Julesburg, CO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (22.7 days).
The months with the least sunshine days are May and June (10.6 days).
Average UV index in September
Julesburg, CO
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Julesburg, CO
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 36).
The months with the least cloud cover are July, August and September (Cloud cover 20).
Average visibility in September
Julesburg, CO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Julesburg, Colorado, USA
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