Łomża, niedziela, 27 września, 20:10
Bezchmurnie. Odczuwalna 10°C. Temperatura maksymalna 20°C, minimalna 8°C.
W wrześniu w Łomży w dzień jest średnio +17.4°, w nocy +10°. W ciągu miesiąca spada około 59 mm opadów (10 dni deszczowych). Rekord ciepła — +32.6° (2015), rekord zimna — -0.7° (1986). Normę obliczono z ostatnich 60 lat.
| Dzień | W dzień | W nocy | Szansa opadów | Rekord maks. | Rekord min. |
|---|---|---|---|---|---|
| 1 | +19.9° | +11.9° | 43% | +32.6° (2015) | +6.3° (1978) |
| 2 | +19.5° | +11.9° | 47% | +27.8° (1983) | +5.1° (1987) |
| 3 | +19.8° | +11.6° | 30% | +30.1° (2024) | +5.8° (2003) |
| 4 | +19.7° | +12° | 38% | +28.8° (2024) | +5.6° (2010) |
| 5 | +19.3° | +11.4° | 32% | +28.4° (2025) | +5.3° (1990) |
| 6 | +19.3° | +11.2° | 40% | +28.4° (2024) | +5° (2021) |
| 7 | +19.1° | +11° | 33% | +29.2° (2024) | +4.1° (2022) |
| 8 | +18.6° | +10.8° | 30% | +27.3° (2024) | +5.6° (1993) |
| 9 | +19.1° | +11.1° | 32% | +27.3° (2005) | +5.3° (1975) |
| 10 | +19° | +10.9° | 33% | +26.5° (2005) | +3.3° (1986) |
| 11 | +18.7° | +11.1° | 37% | +26.9° (2016) | +5.3° (1977) |
| 12 | +18.4° | +10.8° | 38% | +27.1° (2023) | +3.9° (1996) |
| 13 | +17.9° | +10.6° | 40% | +27.2° (2023) | +4.7° (1973) |
| 14 | +17.8° | +10.3° | 43% | +24.2° (1976) | +4.1° (1971) |
| 15 | +17.3° | +10.6° | 38% | +25.7° (1994) | +3.7° (1973) |
| 16 | +17° | +10.1° | 42% | +26.1° (1964) | +3.4° (1971) |
| 17 | +16.4° | +9.6° | 37% | +27.6° (2015) | +4.9° (1981) |
| 18 | +16.4° | +9° | 28% | +25.1° (1975) | +2° (1977) |
| 19 | +16.4° | +8.8° | 22% | +26° (2018) | +2.8° (1990) |
| 20 | +16.6° | +9.2° | 27% | +27.4° (2018) | +4.3° (1978) |
| 21 | +17.1° | +9.5° | 33% | +27.1° (2025) | +3.2° (1997) |
| 22 | +16.5° | +9.5° | 40% | +25.4° (2023) | +2.9° (1987) |
| 23 | +16.1° | +9° | 28% | +25.8° (2003) | +2.1° (1976) |
| 24 | +15.5° | +8.2° | 35% | +24.3° (2024) | +2.4° (2000) |
| 25 | +15.6° | +8.4° | 40% | +22.8° (2020) | -0.4° (1977) |
| 26 | +15.7° | +8.5° | 23% | +23.8° (2020) | +1.7° (2000) |
| 27 | +15.7° | +8.5° | 35% | +25.3° (2023) | -0.5° (1986) |
| 28 | +14.9° | +8.1° | 33% | +25.1° (2023) | -0.7° (1986) |
| 29 | +14.4° | +7.7° | 28% | +24.9° (2023) | +0.4° (1966) |
| 30 | +13.8° | +7.5° | 35% | +24.5° (1991) | +0.8° (1993) |