September
Other strong months: June and May
89/100 weather score
United States · 1991–2020
Best time to visit
Logan Square
For Logan Square, September has the most comfortable weather in our climate comparison. Typical daytime highs are 24.8°C, nights average 15.1°C, and rainfall totals about 68 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthSeptember
Typical daytime high24.8°C
Typical night-time low15.1°C
September rainfall68 mm
July
Other strong months: August and June
82/100 weather score
October
Other strong months: May and September
72/100 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.
1 month fits your choices for Logan Square
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 0.5°C, 23° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Logan Square?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Logan Square?
September is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 24.8°C and 68 mm of rain.
What is the hottest month in Logan Square?
July is hottest in this record, with a typical daytime high of 29.4°C and a night-time low of 20°C.
Which month has the least rain?
January has the lowest monthly rainfall total at 37 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 | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 0.5°C | -6.8°C | 37 mm | 5.5 | 3.3°C | 9 h 26 | 5 | Good coverage |
| February | 2.6°C | -5.3°C | 38 mm | 6 | 2.0°C | 10 h 31 | 5 | Good coverage |
| March | 8.7°C | -0.1°C | 52 mm | 7.3 | 2.0°C | 11 h 48 | 16 | Good coverage |
| April | 15.6°C | 5.3°C | 92 mm | 9.2 | 3.8°C | 13 h 17 | 41 | Good coverage |
| May | 21.6°C | 11.1°C | 111 mm | 10.3 | 7.1°C | 14 h 32 | 68 | Good coverage |
| June | 27°C | 16.9°C | 103 mm | 9.6 | 14.1°C | 15 h 13 | 71 | Good coverage |
| July | 29.4°C | 20°C | 87 mm | 7.1 | 20.9°C | 14 h 56 | 62 | Good coverage |
| August | 28.1°C | 19.2°C | 104 mm | 8.2 | 22.5°C | 13 h 52 | 65 | Good coverage |
| September | 24.8°C | 15.1°C | 68 mm | 6.7 | 20.1°C | 12 h 26 | 89 | Good coverage |
| October | 17.4°C | 8.1°C | 92 mm | 8.6 | 14.5°C | 11 h 00 | 53 | Good coverage |
| November | 9.9°C | 2°C | 54 mm | 6.5 | 9.2°C | 9 h 45 | 24 | Good coverage |
| December | 3°C | -4°C | 49 mm | 6.7 | 5.6°C | 9 h 08 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 18.3°C7 Jan 2008 | -29.9°C30 Jan 2019 | 52 mm8 Jan 2026 | 79 mm2005 · driest 5 mm in 2004 | 29 |
| February | 23.3°C27 Feb 2024 | -22.7°C5 Feb 2007 | 59 mm20 Feb 2018 | 112 mm2018 · driest 3 mm in 2003 | 29 |
| March | 30.0°C21 Mar 2012 | -20.0°C4 Mar 2002 | 51 mm30 Mar 2017 | 143 mm2009 · driest 12 mm in 2015 | 29 |
| April | 31.7°C18 Apr 2002 | -6.0°C7 Apr 2018 | 50 mm29 Apr 2020 | 163 mm2013 · driest 32 mm in 2005 | 29 |
| May | 36.1°C27 May 2012 | -0.5°C9 May 2020 | 93 mm17 May 2020 | 194 mm2020 · driest 15 mm in 2023 | 30 |
| June | 38.3°C21 Jun 2022 | 3.9°C1 Jun 2003 | 60 mm21 Jun 2018 | 195 mm2010 · driest 26 mm in 2012 | 30 |
| July | 40.0°C24 Jul 2005 | 12.2°C10 Jul 1997 | 120 mm24 Jul 2010 | 287 mm2023 · driest 21 mm in 2011 | 30 |
| August | 37.8°C24 Aug 2023 | 9.4°C31 Aug 2009 | 93 mm26 Aug 2012 | 237 mm2014 · driest 18 mm in 2008 | 29 |
| September | 35.6°C10 Sep 2013 | 5.6°C29 Sep 2003 | 80 mm18 Sep 2015 | 236 mm2008 · driest 14 mm in 2017 | 29 |
| October | 32.2°C3 Oct 2025 | -3.2°C31 Oct 2019 | 132 mm14 Oct 2017 | 263 mm2017 · driest 24 mm in 1999 | 29 |
| November | 25.0°C1 Nov 2016 | -12.7°C12 Nov 2019 | 45 mm18 Nov 2003 | 144 mm2003 · driest 15 mm in 1999 | 29 |
| December | 22.2°C3 Dec 2012 | -22.7°C23 Dec 2022 | 46 mm28 Dec 2015 | 137 mm2015 · driest 4 mm in 2017 | 29 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 27 | 1 | 1 |
| February | 0 | 0 | 23 | 1 | <1 |
| March | <1 | 0 | 18 | 2 | 1 |
| April | 3 | <1 | 3 | 3 | 0 |
| May | 10 | 3 | 0 | 4 | 0 |
| June | 21 | 9 | 0 | 3 | 0 |
| July | 28 | 15 | 0 | 3 | 0 |
| August | 26 | 10 | 0 | 4 | 0 |
| September | 15 | 5 | 0 | 2 | 0 |
| October | 4 | <1 | <1 | 3 | 0 |
| November | <1 | 0 | 11 | 2 | <1 |
| December | 0 | 0 | 24 | 1 | 2 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 18% | 4% | 17% | -2.0–3.3°C |
| February | <1% | 20% | 3% | 16% | -2.3–7.0°C |
| March | 6% | 25% | 6% | 33% | 6.4–13.0°C |
| April | 20% | 32% | 10% | 41% | 14.0–17.8°C |
| May | 45% | 32% | 11% | 40% | 18.9–24.4°C |
| June | 66% | 31% | 12% | 37% | 25.6–29.2°C |
| July | 76% | 24% | 10% | 25% | 27.5–31.1°C |
| August | 74% | 26% | 11% | 27% | 26.7–29.5°C |
| September | 69% | 21% | 7% | 23% | 23.0–26.9°C |
| October | 27% | 27% | 10% | 30% | 15.9–19.7°C |
| November | 6% | 21% | 6% | 20% | 6.3–13.3°C |
| December | <1% | 21% | 5% | 18% | -0.2–6.7°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 4900358
- NOAA station
- USW00014819 · CHICAGO MIDWAY AP
- Station distance
- 16.2 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 22 usable years
- Daylight
- Calculated from latitude 41.92°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 8 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- 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 Logan Square 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