September
Other strong months: May and June
82/100 weather score
United States · 1991–2020
Best time to visit
Council Bluffs
For Council Bluffs, September has the most comfortable weather in our climate comparison. Typical daytime highs are 25.8°C, nights average 12.9°C, and rainfall totals about 75 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthSeptember
Typical daytime high25.8°C
Typical night-time low12.9°C
September rainfall75 mm
October
Other strong months: April and September
81/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
2 months fit your choices for Council Bluffs
The lowest comfort score is 5 out of 100. January, February and December share that score. In January, that is mainly because days reach only 0.7°C, 23° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Council Bluffs?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Council Bluffs?
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 25.8°C and 75 mm of rain.
What is the hottest month in Council Bluffs?
July is hottest in this record, with a typical daytime high of 30.8°C and a night-time low of 19.6°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 19 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 0.7°C | -9.7°C | 19 mm | 3.7 | 9 h 30 | 5 | Strong coverage |
| February | 3.3°C | -7.5°C | 24 mm | 4.5 | 10 h 33 | 5 | Strong coverage |
| March | 10.8°C | -1.6°C | 46 mm | 5.7 | 11 h 48 | 23 | Strong coverage |
| April | 17.5°C | 4.6°C | 81 mm | 7.8 | 13 h 15 | 49 | Strong coverage |
| May | 23.3°C | 11°C | 118 mm | 9.9 | 14 h 28 | 73 | Strong coverage |
| June | 28.8°C | 17°C | 113 mm | 8.7 | 15 h 08 | 65 | Strong coverage |
| July | 30.8°C | 19.6°C | 90 mm | 7.6 | 14 h 52 | 57 | Strong coverage |
| August | 29.6°C | 18.2°C | 117 mm | 7.2 | 13 h 49 | 61 | Strong coverage |
| September | 25.8°C | 12.9°C | 75 mm | 6 | 12 h 25 | 82 | Strong coverage |
| October | 18.3°C | 5.8°C | 58 mm | 5.6 | 11 h 02 | 59 | Strong coverage |
| November | 9.9°C | -1.3°C | 36 mm | 3.8 | 9 h 48 | 23 | Strong coverage |
| December | 2.8°C | -7.2°C | 31 mm | 4.3 | 9 h 13 | 5 | Strong coverage |
What has changed
Recent daytime highs are
1.1°C warmer in Council Bluffs.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+1.5
Feb
+0.6
Mar
+2.4
Apr
+0.2
May
+0.3
Jun
+1.3
Jul
0.0
Aug
+0.3
Sep
+2.4
Oct
+0.4
Nov
+1.2
Dec
+2.6
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 20.6°C30 Jan 2012 | -30.6°C10 Jan 1982 | 39 mm22 Jan 1982 | 94 mm1949 · driest 0 mm in 1986 | 78 |
| February | 26.7°C26 Feb 2024 | -30.5°C16 Feb 2021 | 45 mm19 Feb 1954 | 75 mm1965 · driest 1 mm in 2020 | 78 |
| March | 35.6°C21 Mar 2026 | -26.7°C11 Mar 1948 | 66 mm14 Mar 2021 | 152 mm1973 · driest 3 mm in 1956 | 79 |
| April | 36.1°C22 Apr 1989 | -15.0°C3 Apr 1975 | 69 mm14 Apr 1999 | 216 mm1999 · driest 7 mm in 2018 | 79 |
| May | 38.3°C14 May 2013 | -2.8°C8 May 1980 | 106 mm26 May 1987 | 283 mm2024 · driest 4 mm in 2023 | 79 |
| June | 40.6°C18 Jun 1953 | 3.3°C6 Jun 1983 | 135 mm3 Jun 2014 | 267 mm2014 · driest 6 mm in 2007 | 79 |
| July | 43.3°C21 Jul 1974 | 6.7°C5 Jul 1972 | 82 mm29 Jul 1948 | 262 mm1993 · driest 0 mm in 2012 | 79 |
| August | 41.7°C2 Aug 1964 | 6.1°C27 Aug 1967 | 164 mm7 Aug 1999 | 311 mm1999 · driest 12 mm in 2020 | 78 |
| September | 39.4°C1 Sep 1975 | -3.9°C29 Sep 1984 | 159 mm7 Sep 1965 | 349 mm1965 · driest 2 mm in 2024 | 78 |
| October | 35.6°C5 Oct 2024 | -10.6°C19 Oct 1972 | 79 mm16 Oct 1968 | 158 mm2007 · driest 0 mm in 1952 | 77 |
| November | 28.3°C13 Nov 1999 | -22.8°C30 Nov 1964 | 51 mm17 Nov 1952 | 120 mm1983 · driest 1 mm in 1976 | 77 |
| December | 23.3°C15 Dec 2021 | -30.6°C22 Dec 1989 | 48 mm13 Dec 2015 | 138 mm1984 · driest 0 mm in 2002 | 77 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 30 | <1 | 5 |
| February | 0 | 0 | 26 | <1 | 5 |
| March | 1 | <1 | 20 | 2 | 2 |
| April | 5 | 1 | 6 | 3 | <1 |
| May | 13 | 4 | <1 | 4 | <1 |
| June | 25 | 14 | 0 | 3 | 0 |
| July | 29 | 19 | 0 | 3 | 0 |
| August | 28 | 15 | 0 | 3 | 0 |
| September | 18 | 7 | <1 | 2 | 0 |
| October | 5 | <1 | 4 | 2 | <1 |
| November | <1 | 0 | 19 | 1 | 2 |
| December | 0 | 0 | 29 | 1 | 5 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | <1% | 13% | 1% | 7% | -3.2–4.2°C |
| February | 2% | 15% | 2% | 11% | -1.7–8.1°C |
| March | 12% | 20% | 5% | 18% | 5.3–14.1°C |
| April | 32% | 25% | 8% | 29% | 14.6–20.4°C |
| May | 54% | 30% | 12% | 39% | 21.2–26.4°C |
| June | 71% | 28% | 11% | 32% | 26.5–31.4°C |
| July | 76% | 24% | 9% | 25% | 28.9–33.1°C |
| August | 76% | 24% | 10% | 24% | 27.6–31.8°C |
| September | 71% | 21% | 8% | 19% | 23.0–28.1°C |
| October | 41% | 17% | 6% | 13% | 15.9–21.3°C |
| November | 9% | 13% | 4% | 8% | 6.3–13.3°C |
| December | <1% | 13% | 2% | 9% | -1.4–5.9°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 4852832
- NOAA station
- USW00014942 · OMAHA EPPLEY AIRFIELD
- Station distance
- 6.5 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 29 usable years
- Daylight
- Calculated from latitude 41.26°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Council Bluffs is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work