Elk Grove, CA weather in September
In September, Elk Grove sees highs around 89°F and lows around 57°F: hot and dry. Expect about 1 wet day.
- Normal high
- 89°F
- Normal low
- 57°F
- Wet days
- 1
- 0.09 in total
- Muggy days
- 0
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 91°F | 85°F |
| Normal low | 58°F | 54°F |
| Chance of a wet day | 2% | 5% |
| Sunrise / sunset | 6:35 am / 7:35 pm | 7:00 am / 6:50 pm |
| Daylight | 13.0 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical September day
- 6 am57°Fdew point 51°F
- 9 am69°Fdew point 52°F
- Noon81°Fdew point 51°F
- 3 pm87°Fdew point 48°F
- 6 pm79°Fdew point 51°F
- 9 pm67°Fdew point 52°F
NOAA hourly normals (local standard time) from Sacramento Executive Airport (10 mi away); average wind 6 mph; clear or few clouds in 93% of daytime hours, mostly cloudy or overcast in 5%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 30
- Hot dayshigh 90°F or more14 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow1 of 30
- Notable rainat least 0.10 in0 of 30
- Freezing nightslow 32°F or below0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 0.09 in; a dry September brings about 0.0 in and a wet one about 0.1 in (25th and 75th percentiles). Days with half an inch or more are rare.
How September varies from year to year
- Warmest September, 1991-20201991: average high 93°F
- Coolest September2007: average high 82°F
- Wettest September2013: 0.6 in
- Driest September1992: no measurable precipitation
- Highest reading109°F (September 6, 2020)
- Lowest reading42°F (September 30, 2007)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 92°F | 89°F | 79°F |
| Normal low | 59°F | 57°F | 50°F |
| Wet days | 0 | 1 | 3 |
| Comfortable days | 2 | 5 | 17 |
| Daylight | 13.6 h | 12.4 h | 11.2 h |
Highs change by -3°F from August and -10°F into October.
Nearby alternatives in September
- Cooler: Hayward, CA64 mi · high 75°F · 1 wet day
How Elk Grove ranks in September
- Normal high86th warmest of 378 cities; 24th of 60 in California
- Wet days26th driest of 378
- Comfortable days206th most of 342
What to pack for Elk Grove in September
- Light, breathable clothing – highs near 89°F
- Layers – afternoons near 89°F but nights near 57°F
Heating and cooling
September has 5 heating degree days and 230 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Elk Grove in September?
The normal high is 89°F and the normal low is 57°F. From 1991 to 2020 the hottest September reading was 109°F (most recently on September 6, 2020).
Does it rain a lot in Elk Grove in September?
About 1 days in September have at least 0.01 in of precipitation, and the normal total is 0.09 in. The wettest September in 1991-2020 was in 2013 (0.6 in); the driest was in 1992, with no measurable precipitation.
Is September a good time to visit Elk Grove?
September ranks 8th of 12 months on our comfort score for Elk Grove (51 out of 100). It has about 5 comfortable days and about 14 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Sacramento Executive Airport (USW00023232), 9.5 mi NW of the city center, 15 ft . NOAA normals and daily records, 1991-2020.
- Snowfall: Sacramento 5 Ese (USW00023271), 10 mi NNW of the city center, 38 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Acampo 5NE (USC00040010), 16 mi SE of the city center, 87 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Sacramento Executive Airport (724830-23232), 9.6 mi NW of the city center, 19 ft . Hourly observations, 1991-2020.