September weather forecast
Milligan, CA

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Weather in September

The first month of the autumn, September, is still a tropical month in Milligan, California, with an average temperature fluctuating between 77.4°F (25.2°C) and 94.8°F (34.9°C).

Temperature

A subtle shift in Milligan's weather is observed as August turns into September, with the average high temperature reducing from a fiery hot 101.7°F (38.7°C) to a tropical 94.8°F (34.9°C). Milligan experiences an average low-temperature of 77.4°F (25.2°C) in month of September.

Humidity

In September, the average relative humidity is 24%.

Rainfall

In September, in Milligan, the rain falls for 4.3 days. Throughout September, 0.43" (11mm) of precipitation is accumulated. Throughout the year, there are 41.8 rainfall days, and 4.21" (107mm) of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:14 am and sunset at 7:06 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:25 pm PDT.

Sunshine

The average sunshine in September is 10.1h.

UV index

In Milligan, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

The high-temperature, in September, in Milligan, records 94.8°F (34.9°C), while the low-temperature is 77.4°F (25.2°C).

What is the average humidity in September?

In September, the average relative humidity is 24%.

How much does it rain in September?

In Milligan, in September, it is raining for 4.3 days, with typically 0.43" (11mm) of accumulated precipitation.

How many hours of daylight does Milligan have in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:14 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:25 pm PDT.

How long on average sun shines in September?

In September, the average sunshine duration is 10.1h.

How high is the UV index in September?

In Milligan, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Milligan, CA

Average temperature in September - Milligan, CA
  • Average high temperature in September: 94.8°F

The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).

  • Average low temperature in September: 77.4°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).

Average pressure in September
Milligan, CA

Average pressure in September - Milligan, CA
  • Average pressure in September: 29.82"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).

Average wind speed in September
Milligan, CA

Average wind speed in September - Milligan, CA
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

Average humidity in September
Milligan, CA

Average humidity in September - Milligan, CA
  • Average humidity in September: 24%

The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).

Average rainfall in September
Milligan, CA

Average rainfall in September - Milligan, CA
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
Milligan, CA

Average rainfall days in September - Milligan, CA
  • Average rainfall days in September: 4.3 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).

Average daylight in September /
Average sunshine in September
Milligan, CA

Average daylight in September / Average sunshine in September - Milligan, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 10h and 1min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in September
Milligan, CA

Average sunshine days in September - Milligan, CA
  • Average sunshine days in September: 22.8 days

The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).

Average UV index in September
Milligan, CA

Average UV index in September - Milligan, CA
  • Average UV index in September: 7

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in September
Milligan, CA

Average cloud cover in September - Milligan, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in September
Milligan, CA

Average visibility in September - Milligan, CA
  • 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).

Milligan, California, USA

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