September weather forecast
Bissell, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Bissell, California, with temperature in the range of an average high of 88.7°F (31.5°C) and an average low of 65.1°F (18.4°C).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's tropical 94.8°F (34.9°C) to a still hot 88.7°F (31.5°C). In September, the temperature sees a substantial plunge from daytime highs to a low average of 65.1°F (18.4°C).

Humidity

In Bissell, the average relative humidity in September is 28%.

Rainfall

In September, the rain falls for 1.6 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 39.4 rainfall days, and 3.86" (98mm) of precipitation is accumulated.

Snowfall

February through October are months without snowfall in Bissell.

Daylight

In Bissell, California, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:36 pm PDT.

Sunshine

In September, the average sunshine is 10.8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot does it get in Bissell in September?

An average high-temperature, in September, in Bissell, is 88.7°F (31.5°C) and the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in September in Bissell?

In Bissell, California, the average relative humidity in September is 28%.

How many days does it rain in September in Bissell?

In Bissell, California, in September, during 1.6 rainfall days, 0.12" (3mm) of precipitation is typically accumulated.

When it does not snow in Bissell?

In Bissell, snow does not fall in February through October.

How many hours of daylight does Bissell have in September?

The average day length in September in Bissell is 12h and 23min.

When are sunrise and sunset in September in Bissell?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:36 pm PDT.

How many hours of sunshine does Bissell have in September?

In September, the average sunshine duration in Bissell is 10.8h.

What is the UV index reading in September in Bissell?

In Bissell, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bissell, CA

Average temperature in September - Bissell, CA
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

Average pressure in September
Bissell, CA

Average pressure in September - Bissell, CA
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
Bissell, CA

Average wind speed in September - Bissell, CA
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is May (11.8mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).

Average humidity in September
Bissell, CA

Average humidity in September - Bissell, CA
  • Average humidity in September: 28%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (24%).

Average rainfall in September
Bissell, CA

Average rainfall in September - Bissell, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
Bissell, CA

Average rainfall days in September - Bissell, CA
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (0.9 days).

Average snowfall in September
Bissell, CA

Average snowfall in September - Bissell, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is November (0.71").
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Bissell, CA

Average snowfall days in September - Bissell, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 10h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in September
Bissell, CA

Average sunshine days in September - Bissell, CA
  • Average sunshine days in September: 26 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).

Average UV index in September
Bissell, CA

Average UV index in September - Bissell, CA
  • Average UV index in September: 6

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

Average cloud cover in September
Bissell, CA

Average cloud cover in September - Bissell, CA
  • Average cloud cover in September: 5

The months with the most cloud cover are March and December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).

Average visibility in September
Bissell, CA

Average visibility in September - Bissell, 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).

Bissell, California, USA

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