Normal Weather in September
Normal in September
The short of it: Normal in September averages a high of 26 °C (79 °F) and a low of 13 °C (55 °F), with 92 mm (3.6 in) of rain and about 12 h 24 min of daylight. Rated 3 of 5 for a visit; the best months are May and September. Source: TerraClimate climate normals, 1991–2020.
Average high 79° · low 55° · rain 3.6 in. · daylight 12 h 24 min
✦✦✦ Fair for a visit · best months: May & September
Thirty years of records give Normal an average September high of 79°, a low of 55° and some 3.6 in. of rain. Much like August: highs about 79°, nights near 55°. Easy travelling weather. Wet spells are common — about 3.6 in., the 5th wettest month.
The sun is up for about 12 h 24 min in mid-September, 82 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are May and September.
Against its neighbours, Normal runs warmer than most and wetter than most in September. Bloomington, 2 mi to the S, sees much the same highs.
September in Normal, by the numbers
- Warmth rank
- 4th warmest of 12
- Rain rank
- 5th wettest of 12
- Versus August
- 6° colder, 0.4 in. more rain
- Versus October
- 13° warmer
- Day–night spread
- 24°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 12 h 24 min
- Average wind
- 7 mph
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| BloomingtonIllinois | 2 mi S | 79° | 55° | 3.6 in. |
| HudsonIllinois | 6 mi N | 78° | 54° | 3.5 in. |
| HeyworthIllinois | 14 mi S | 79° | 55° | 3.5 in. |
| LexingtonIllinois | 14 mi NE | 79° | 54° | 3.3 in. |
| El PasoIllinois | 16 mi N | 78° | 54° | 3.5 in. |
| Le RoyIllinois | 16 mi SE | 79° | 54° | 3.4 in. |
| MackinawIllinois | 19 mi W | 79° | 54° | 3.6 in. |
| EurekaIllinois | 21 mi NW | 79° | 54° | 3.6 in. |